Stephen Campbell Moore (born Stephen Thorpe; 30 November 1979) is an English actor, best known for his roles in the Alan Bennett play The History Boys and its subsequent film.
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.
In 2004, he starred alongside Scarlett Johansson in A Good Woman, based on "Lady Windermere's Fan" by Oscar Wilde, shot on location in Italy.