Paul Darrow appeared in two Doctor Who television stories; as Captain Sam Hawkins in Doctor Who and the Silurians and Tekker in Timelash. He played Guidance in the Big Finish Doctor Who audio story The Next Life and Kaston Iago in the Kaldor City audio series. He is best known for playing Kerr Avon in Blake's 7 and has reprised his role for Big Finish Productions.
