Paul Darrow (2 May 1941-3 June 2019) appeared in two Doctor Who television stories; as Captain Sam Hawkins in Doctor Who and the Silurians and Tekker in Timelash. He also voiced 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. Other notable roles included Mr Verity in over fifty episode of medical soap Emergency - Ward 10 (1965-66), the Sheriff of Nottingham in the miniseries The Legend of Robin Hood (1975) and Charles Bravo in The Poisoning of Charles Bravo (1975), which co-starred Maureen O'Brien. He also appeared as James Carker in a 1983 adaptation of Dombey and Son, which was produced by Barry Letts and script edited by Terrance Dicks.