John Simm

John Ronald Simm is an English actor, director, and musician. He is best known for playing Sam Tyler in Life on Mars, the Master in Doctor Who, and DSI Roy Grace in Grace. His other television credits include State of Play, The Lakes, Crime and Punishment, Exile, Prey, and Cracker. His film roles include Wonderland, Everyday, Boston Kickout, Human Traffic and 24 Hour Party People. He has twice been nominated for the BAFTA Award for Best Actor.