Actor / Actress
New Release
Biography
Mark Alan Williams-Thomas (born 9 January 1970) is an English investigative journalist, documentary maker, television presenter, podcaster and private investigator. Before becoming an investigative reporter, he worked as a policeman and family liaison officer with Surrey Police.
Mark Williams-Thomas is known for work in acting across film and television. New Release currently presents 14 verified screen credits connected to this profile.
Selected work includes ITV Exposure (2011), Murder Prevention (2004), The Investigator: A British Crime Story (2016), Madeleine McCann: The Case Against Christian B (2021), Jeremy Bamber: Proof of Innocence (2026), The Other side of Jimmy Savile (2012), Diana: The Ultimate Truth (2022), The Soham Murders (2023). The recorded credits span 2004 to 2026, including 10 movies and 4 TV shows.
The filmography below lists available titles, release years and known roles. This profile is updated as additional verified information becomes available.
Profile details
Known forActing
Movies10
TV shows4
Active years represented2004–2026
Place of birthBillericay, Essex, England, UK
Known for
TV ShowITV Exposure
TV ShowMurder Prevention
TV ShowThe Investigator: A British Crime Story
TV ShowMadeleine McCann: The Case Against Christian B
MovieJeremy Bamber: Proof of Innocence
MovieThe Other side of Jimmy Savile
MovieDiana: The Ultimate Truth
MovieThe Soham Murders
MovieWrongly Convicted: Innocent of Murder
MovieBroadmoor: Serial Killers & High Security
MovieJimmy Savile : Untouchable
MovieAccused of Murdering Our Son: The Steven Clark Story
MovieUpdate: The Jimmy Savile Investigation
MovieMadeleine McCann: The Case Against Christian B