Geoffrey Beevers worked as an actor.
Geoffrey Beevers ( born 1941 ) is a British actor who has appeared in many different stage and screen roles . Beevers has worked extensively at the Orange Tree Theatre in Richmond upon Thames , both as an actor ( including the title role in Jules Romain 's Doctor Knock , 1994 ) ; and as an adaptor/director of George Eliot 's novel Adam Bede ( February 1990 ) , for which he won a Time Out Award , and Honoré de Balzac 's Père Goriot ( February 1994 ) . Beevers has made two appearances in the BBC science fiction series Doctor Who , including as the third actor to play the Master in the serial The Keeper of Traken , a role he has since reprised in some of Big Finish Productions ' Doctor Who audio dramas ( Dust Breeding , Master , Trail of the White Worm , The Oseidon Adventure , Mastermind , And You Will Obey Me , The Two Masters , The Light at the End , The Evil One , Requiem for the Rocket Men and Death Match ) .