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Silent Witness

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Silent Witness

Silent Witness
Created by Nigel McCrery[1]
Starring Emilia Fox
David Caves
Liz Carr
Richard Lintern
William Gaminara
Tom Ward[2]
Amanda Burton
William Armstrong
Sam Parks
Jaye Griffiths
Arsher Ali
John McGlynn
Clare Higgins
Ruth Gemmell
Nicola Redmond
Mick Ford
Richard Huw
Nick Reding
Mark Letheren
Composer(s) John Harle (theme),
Sheridan Tongue (incidental)
Country of origin United Kingdom
No. of series 18
No. of episodes 162 (list of episodes)
Executive producer(s) Phillipa Giles
Running time 90 minutes (series 1-5)
120 minutes (series 6-)
Original channel BBC One
Original release 21 February 1996 (1996-02-21) – present
External links
The main cast of Silent Witness from series 8 to the end of series 15, from left to right: Tom Ward (Harry Cunningham), Emilia Fox (Nikki Alexander) and William Gaminara (Leo Dalton)

Silent Witness is a British crime drama series, produced by the BBC, focusing on a team of forensic pathology experts and their investigations into various crimes. First broadcast in 1996, and still on air, the series was created by Nigel McCrery, a former murder squad detective based in Nottingham. He later went on to create the hit series New Tricks, with writer Roy Mitchell.


The original series was based on Professor Helen Whitwell, a forensic pathologist based in Sheffield, whom McCrery had known while serving as a police officer. The programme originally followed the activities of a female pathologist, Professor Sam Ryan, played by Amanda Burton. However, Burton's character departed early in the eighth series in 2004. There had been a succession of regular supporting characters, changing almost every series, but Dr Leo Dalton (William Gaminara) and Dr Harry Cunningham (Tom Ward), who were introduced in the sixth series in 2002, remained in the series and continued as lead characters following Ryan's departure, with Dalton replacing her as professor. A new character, Dr Nikki Alexander (Emilia Fox), was introduced to the team in the eighth series in 2004. While working as a forensic anthropologist, she appropriates facilities and software in the pathology department to analyse an Iron Age find, with the belated, bemused and begrudging approval of Dalton. Dr Alexander is able to assist in a set of cases being investigated by the team, as it turns out she had "worked in forensic pathology in Johannesburg for six months" and is Home Office certified to practice. She is of such assistance that she overcomes Leo's reluctance and, with Harry's support, is offered and accepts a position on the team.

Series 1-3 were set in VRT channel Canvas and in Finland on the Finnish Broadcasting Company Yle using the name "Hiljainen todistaja", which is a direct translation of the original title.[5]

Silent Witness has been criticised for gruesome and harrowing scenes as well as for its failure to convey the work of forensic pathologists accurately.[6] Nevertheless, fifteen years after its inception, it continues to achieve good audience ratings.[7] The approach of the show, portraying a pathologist as having an active role in the crime investigation, was parodied by British comedic duo French and Saunders as "Witless Silence". Dead Ringers also parodied Silent Witness, with Sam Ryan as an overconfident pathologist who makes incredibly specific guesses about the body; for example, "Just by looking I can tell that this was a man aged 35–37 called John, having an affair with his secretary", only to be proved wrong by one of her assistants, "No that's an onion bagel, I got for your lunch". She then refuses to accept her mistake claiming "Wrong? Oh, I'm never wrong. I'm forensics professor Sam Ryan PhD."

Although the show heavily focuses on areas of pathology, the police also play a heavy presence in each case. During latter series of the show, detectives and investigators tend to differ from episode to episode, with guest artists appearing in these roles. However, during the early years of the show, several characters appeared regularly to investigate each case.


The theme music for Silent Witness is a song called "Silencium" by John Harle. The arrangement, for Chamber Orchestra and soprano saxophone solo was first performed as part of the Canterbury Festival on 22 October 2011.[8] It is sung by Sarah Leonard.[9] The incidental music for Silent Witness is written by BAFTA nominated composer Sheridan Tongue.




  • Dr. Nikki Alexander (Emilia Fox) – since Series 8. Originally appearing in the episode "Nowhere Fast", Nikki was originally assigned to the Lyell Centre to defuse the tension between Harry and Leo after Sam's departure. However, Nikki soon became a permanent fixture within the team, and although she features more prominently in the series, holds a lower rank in pathology than Leo. Despite her native home being South Africa, Nikki regards the United Kingdom as her second home, as the reason for her departure from the country lies solely in the hands of her father, Victor, as explained in the episode "Double Dare". Nikki often flirted with colleague Harry, and even invited him to stay at her house after his flat blew up in an explosion. Nikki and Harry were in an ongoing 'will they-won't they' relationship until he left in Series 15. As well as this, she developed a close relationship with Leo and looked to him as a father figure.
  • Jack Hodgson (David Caves) – since Series 16. Before his arrival at the Lyell Centre, Jack was a forensic scientist for the police, working on regular murder investigations. However, when he is called out to the scene of a man's suspicious death in "Change", both Nikki and Leo spot his potential, and looking for a senior colleague to replace Harry, decide to offer Jack a job as the centre's forensic expert. Jack is close friends with colleague Clarissa Mullery, whom he invites to work with him at the Lyell Centre, much to Leo's surprise. In his spare time, Jack is a cage fighter, and splits his home life between forensic research and training for his next fight.
  • Clarissa Mullery (Liz Carr) – since Series 16. Clarissa is Jack's personal lab assistant, who first appears in the episode "Change", when Jack invites her to work at the Lyell Centre with him, much to Leo's surprise. She has a very cheeky side, first making a quip at Leo after he fails to recognise who she is on her first arrival. Clarissa had clearly worked for Jack for a long period before his appointment at the Lyell Centre; however, the exact period of time is unknown.
  • Dr. Thomas Chamberlain (Richard Lintern) – since Series 17. Thomas Chamberlain has taken over as head of the Lyell Centre from Leo who died at the end of series 16. He is an experienced forensic pathologist with a renowned reputation in toxicology and described as charming, charismatic and socially shrewd. His first encounters with Jack, Nikki and Clarissa did not go well but they gradually warmed to him. It is revealed in the last episode of his first series that his wife recently left him just before he started working at the Lyell and took his daughter with her.


  • Professor Sam Ryan (Amanda Burton) – Series 1–8. Sam originally lived and worked in Cambridge, but moved to London at the end of series three after she was offered the job of professor at a university. Sam departed in the first episode of series eight, "A Time To Heal". Sam returned home to Ireland after a member of her family was implicated in a murder.
  • Dr. Trevor Stewart (William Armstrong) – Series 1–3. As well as being a pathologist in his own right, Trevor was Sam's business partner, owning half of the morgue and its facilities. Trevor decided to stay in Cambridge with his friends and family when Sam accepted the professorship position at a university in London and moved away at the end of series three.
  • Dr. Fred Dale (Sam Parks) – Series 1–3. Fred was Sam's main assistant during post mortems and on visits to crime scenes, often identifying DNA samples at the scene of the crime, and linking them to those responsible. He was also notable for not having many speaking lines, and regularly appearing without speaking. His fate at the end of series three was not revealed.
  • Dr. Harry Cunningham (Tom Ward) – Series 6–15. Harry started out life as a junior doctor, who worked as an apprentice alongside Sam and Leo. However, he soon qualified as a pathologist, and has worked on equal footing with the team for a number of years. Harry was single, and lived alone, but has had several romantic relationships, including an ongoing 'will they-won't they' relationship with his colleague Nikki. Harry left the team to accept a professorship in New York at the end of series 15. As this was decided after filming was completed, and the stories were reordered, with "And Then I Fell in Love" airing last, where it was originally scheduled as the second episode, his departure was never on screen.
  • Professor Leo Dalton (William Gaminara) – Series 6–16. Leo first appeared in the episode "The Fall Out", where he was nothing more than a simple doctor. However, he was promoted to professor after former professor Sam Ryan left. In the episode "Ghosts", both his wife, Theresa, and his daughter, Cassie, are killed in an accident involving a car. He began a relationship with fellow professor Janet Mander in "Safe", but ended their relationship in the episode "Domestic". Leo often took a strong opinion on cases and often became emotionally involved. He died in the series 16 finale 'Greater Love', when he sacrificed himself to save many others from a terrorist bomb explosion.
  • Professor Janet Mander (Jaye Griffiths) – Series 12–15. Janet is a psychological profiler who assists the police in cases of serial offences. She began a relationship with Leo in the episode "Safe", and they lived together as partners until Leo ended the relationship in "Redhill". She recurringly worked alongside the team to provide them with information in order to get an idea of the suspect they are looking for. Janet decided to move away from London after Leo ended their relationship.
  • Dr. Charlie Gibbs (Wunmi Mosaku) – Series 13. A junior doctor and lab technician, who was appointed to work with the team by Professor Dalton.
  • Dr. Zak Khan (Arsher Ali) – Series 14. A junior doctor who worked his forensic science apprenticeship with the team, to learn the ropes of the profession.[10]
  • Wyn Ryan (Ruth McCabe) – Series 1–3. Professor Ryan's sister, who after coming over to visit her from her home in Ireland, ended up living with her on a permanent basis.
  • Helen Farmer (Clare Higgins) – Series 1. A superintendent, and Tom Adams' boss and mentor, who accompanied him on investigating several cases during his time in the force.
  • Tom Adams (John McGlynn) – Series 1. An investigator with the Cambridgeshire police force, who had an affair with Kerry Cox, before her death.
  • Kerry Cox (Ruth Gemmell) – Series 1. A junior trainee detective who had an affair with Tom Adams, but was later killed in a freak accident in a hospital basement.
  • Marcia Evans (Janice Acquah) – Series 1. A fellow junior trainee detective for the Cambridgeshire police force, who resigned after Kerry Cox's death.
  • Ricky Ryan (Matthew Steer) – Series 1. Wyn's son, and Sam's nephew, who regularly got into trouble and was expelled from school for very poor behaviour.
  • Peter Ross (Mick Ford) – Series 2. A superintendent, and an ex-boyfriend of Sam's, who believed in a strong relationship between the police and the pathology lab.
  • Rachel Selway (Nicola Redmond) – Series 2. Tom Adams' replacement, following his resignation from the force. She joined the team alongside junior sergeant Tony Speed.
  • Tony Speed (Richard Huw) – Series 2. A junior sergeant, who joined the team alongside his superior officer, Rachel Selway. He knew Mick Ross from a previous posting.
  • Michael Connor (Nick Reding) – Series 3–4. A detective chief inspector, and old friend of Sam's, whom she met during her junior years at university.
  • Rob Bradley (Mark Letheren) – Series 3–4. A detective sergeant, who as Connor's junior officer, accompanied him with the investigating in the cases which he was assigned to.
  • Rosemary Mason (Jane Hazlegrove) – Series 6–7. The main receptionist at the Lyell Centre, before the change in focus from university department to purely commercial pathology.

Overview of main characters

  • Episode count is as of episode 17.10 (most recent)
Character Actor Years Series Episode Count
Dr Nikki Alexander Emilia Fox 2004- 8.5- 96
Jack Hodgson David Caves 2013- 16.1- 20
Clarissa Mullery Liz Carr 2013– 16.1- 20
Dr Thomas Chamberlain Richard Lintern 2014- 17.1- 10
Professor Sam Ryan Amanda Burton 1996-2004 1.1-8.2 54
Professor Leo Dalton William Gaminara 2002–2013 6.1-16.10 106
Dr Harry Cunningham Tom Ward 2002-2012 6.1-15.10 96
Dr Trevor Stewart William Armstrong 1996-1998 1.1-3.8 24

     – Character has a major role in the most recent seventeenth series

International Broadcast

Country Television Network
Australia ABC[11]
Canada BBC Canada, Showcase and Knowledge Network
New Zealand TV One (series 1-12),[12] Prime (from series 13 onwards)[13]
United Kingdom BBC One
United States BBC America


During the early years of the show, series creator McCrery wrote and published a number of tie-in novels relating to the series, following Sam Ryan (Amanda Burton) and Trevor Stewart (William Armstrong), as well as former main character Superintendent Tom Adams (John McGlynn), and brand new character DS Stanley Sharman, with Burton generally appearing on the front cover of each novel. The fifth novel, due to be published in 2003, was placed on indefinite hold, and has never been released.

Title No. Publication Date
"A Case for the Defence" 1 9 September 1996
Walking home from a night out, Sam stumbles upon the remains of a mutilated body on a footpath in the Northwick graveyard. Evidence suggests that the killing may be linked to a particularly ritualistic form of the black arts, but Sam is unconvinced as the murder bears an uncanny resemblance to another murder committed in the same town many years ago. When a second body is discovered, Sam's evidence is called into question, and is used to create the information that the police need to solve the case, before the killer strikes again. As Sam and Trevor uncover information surrounding the circumstances of the murders, elements that once seemed like coincidences soon appear to belong to a more horrific plan.
"Strange Screams of Death" 2 3 August 1998
Sam is tasked with investigating the circumstances surrounding the death of a woman whose body is discovered in a disused shed at a former American airbase on the outskirts of Cambridge. The post mortem reveals that she had been violently raped, before being tortured, and viciously murdered. When a second body is discovered in similar circumstances, Sam finds herself dealing with a serial killer, who has the hunger to slaughter again. Can her profile of information find the identity of the killer before it is too late? Meanwhile, as Tom Adams closes in on his prime suspect, Sam discovers that he may not be working alone, and a search is launched to find the accomplice of a dangerous criminal.
"The Spider's Web" 3 2 August 1999
Sam is asked to perform a second autopsy on a teenage boy who was killed in a tragic joyriding accident, when despite his parents' protests, the results of the autopsy seem clear--he died of multiple injuries consistent with a high-speed car crash. However, as Trevor performed the post mortem, Sam is reluctant to go up against her friend and colleague, in an attempt to find the answers that the family are looking for. However, reading Trevor's post mortem report prompts Sam to go ahead with the second autopsy, and her findings seem to suggest that the accident may have been no such thing. But neither Trevor nor Superintendent Tom Adams accept her findings, and believe that she is reading between the lines.
"Faceless Strangers" 4 3 September 2001
When the wife and beau of a local member of parliament is found dead in her own home, Superintendent Tom Adams calls upon Sam and the entire resources of the Cambridge Constabulary, in an attempt to further his career, and solve the case as quickly as possible. However, his investigation is halted by the discovery of the decomposed body of a homeless drug addict in the local underground toilet block. When Adams dimisses the death as an open and shut case, one of his juniors, DS Stanley Sharman, decides to enlist Sam's help, to discover the indentity of the dead woman - and discover just who is responsible for her death. Meanwhile, Adams is determined to crack his case.
"In Search of Evil[14]" 5 3 November 2003
When the body of elderly widow Violet Thorpe is discovered beneath the floor of her own cellar, Sam quickly establishes that she had been poisoned, and died more than a year prior to the discovery of her body. Meanwhile, the victim's contact with an old friend living in Brighton, appears to be a vital piece of evdidence in discovering who is responsible for her murder. When Sam and DS Stanley Sharman visit the address of the old friend in Brighton, they find themselves on a bizarre trail of a mentally deranged killer, who appears to be travelling up and down the country in search of lonely old ladies to kill, and Sam finds herself in a race to discover the identity of one of the country's most prolific serial killers.


In August 2012, Silent Witness came under criticism for the show being "unduly gruesome". Controversy was specifically found in Series 15 episode Redhill written by Ed Whitmore that, according to complaints, was "too violent". The BBC responded with the following:

"As programme makers we take our responsibility to the audience extremely seriously and try to make sure we strike the right balance between compelling drama without being unnecessarily graphic. Towards the end of the first episode we had established that DI Bridges and Officer Kessler had previously worked together and that he was the one very much in control. The final scene was not an attempt to gratuitously shock the audience; it was rooted in character and research, showing just what DI Bridges was prepared to do for her colleague for the sake of her family, as well as the brutality that Kessler was capable of. We acknowledge that certain scenes may have been challenging, but we filmed and presented them in such a way as to make sure that although as a viewer the implication was there, it was never actually shown. Silent Witness is now in its 15th series and we believe the general tone and content is widely recognised by its regular audience. It’s fair to say the show is known for tackling challenging stories and exploring adult themes and we don’t feel the content of these episodes would have gone beyond viewers' expectations. As well as scheduling the series after the 9pm watershed, we made sure the content was widely publicised and gave a warning before both episodes."[15]

See also

The use of forensic pathology in the investigation of crime has been the central theme of several TV mystery-suspense dramas, including:


  1. ^ Silent Witness entry at
  2. ^
  3. ^ NRK. Retrieved 9 July 2015
  4. ^ TV4. Retrieved 9 July 2015
  5. ^
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  8. ^
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External links

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