Stephen Campbell Moore (born Stephen Moore Thorpe; 30 November 1977) is an English actor, best known for his roles in the Alan Bennett play The History Boys and the film based on it.
Stephen Campbell Moore was born in London as Stephen Moore Thorpe. He was educated at Berkhamsted School in Hertfordshire (appearing locally in the Pendley Open Air Shakespeare Festival) and trained at Guildhall School of Music and Drama, alongside Orlando Bloom, where he was awarded the Gold Medal in his final year. He made his screen debut in Stephen Fry's Bright Young Things. He is primarily a screen actor. On stage he has performed with the RSC and the Royal National Theatre.
Campbell Moore created the role of Irwin in the original West End stage production of Alan Bennett's play The History Boys, and also played the character in the Broadway, Sydney, Wellington and Hong Kong productions and in the film version of the play.