(This article is about the British series. For the American series, see Conviction (2006 TV series) and Conviction (2016 TV series).) Conviction is a British television crime drama that premiered on BBC Three on 7 November 2004. The six-part series stars William Ash, David Warner, Ian Puleston-Davies, Reece Dinsdale, Nicholas Gleaves, Laura Fraser, Jason Watkins and Zoe Henry. The storyline was later used as the basis for the movie Blood, starring Paul Bettany, Mark Strong and Brian Cox.