Billy Cornelius

Billy Cornelius had several small roles on Doctor Who, beginning with an uncredited one as Kal's double in An Unearthly Child. He also played a man at arms in The Crusade and a Morok Guard in The Space Museum. Cornelius appeared in several of the Carry On films in the 1960s and 1970s, and also appeared in many episodes of The Avengers. His last known role was in the film The Long Good Friday in 1980.