[3]) This led to a collaboration with writer and theatre critic Richard Edmonds on a one-man show on the life of Baudelaire entitled King of a Rainy Country.
[4][5] Notable work includes roles series in Shameless, Vincent, Cracker (where his roles as Kenny Archer in the 2006 TV film was almost universally praised despite mixed critical reaction to the comeback show itself[6]), Life on Mars, Foyle's War, All About George, Casualty, Holby City, The Bill, Spooks, Spooks: Code 9, Doctor Who, Survivors and Red Riding.
The series was successful in Europe and the United States, and was noted for the credibility of its historic sources.
Initially a Channel 4 series, the trilogy has been successful all over the world, and regularly featured on the European film festival circuit, winning many awards.
He briefly appears in Glorious 39 (2009), a British production written and directed by Stephen Poliakoff.
In 2011, Flanagan played the role of Steve in Life on the Line, a short film by Jamie Donaghue.