Richard O'Callaghan (born Richard Brooke, 7 March 1940, London) is an English film, stage and television character actor. He is the son of actors Patricia Hayes and Valentine Brooke, whose stage name was Valentine Rooke. As a boy actor he was known as Richard Brooke. He has led a versatile career in film, stage and television in a wide range of roles. He is best known for his role in the British film Carry On at Your Convenience (1971).