A regular in hit sci-fi drama Torchwood, after making his name as Guppy in 2005's Bleak House.
Burn's TV credits include guest appearances in Coronation Street, where he played a cult leader, EastEnders, Casualty, and crime dramas The Inspector Lynley Mysteries and Merseybeat.
He's also appeared in several films, most notably Layer Cake, with Daniel Craig and Michael Gambon, and 2006's Colour Me Kubrick.
His big TV breakthrough came in Bleak House, with the part of Owen Harper in Doctor Who spin-off Torchwood following.
Although born in Hollywood, USA, Burn's spent most of his life in the UK and has British parents.
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