Geoffrey Beevers

Geoffrey Beevers, sometimes credited as Geoffery Beevers, played the Master in The Keeper of Traken. He has also appeared in the Big Finish Productions audio dramas Dust Breeding and Master. He was married to the late Caroline John, who was also in Doctor Who as the Third Doctor's companion Liz Shaw. Beevers appeared with Caroline in the Liz Shaw spin-off videos The Devil of Winterborne and Unnatural Selection. Prior to that, he appeared with her in one of The Stranger videos, Eye of the Beholder. Caroline also appeared in Dust Breeding as Madame Salvadori.

Doctor Who TV stories

 * The Ambassadors of Death (as Johnson)
 * The Keeper of Traken (as the Master)

Big Finish Doctor Who audio stories

 * Dust Breeding (as Mr Seta)
 * Master (as the Master)
 * Annihilation (as Lord Prydon)
 * Trail of the White Worm (as the Master)
 * The Oseidon Adventure (as the Master)
 * Mastermind (as the Master)
 * The Light at the End (as the Master)
 * The Evil One (as the Master)

Bernice Summerfield

 * The Winning Side (as Meriol)

Spin-off stories

 * The Devil of Winterborne (as Brian Rutherford)
 * Unnatural Selection (as Brian Rutherford)
 * Downtime (as Harrods)

Audio books read by Geoffrey Beevers

 * Doctor Who and the Space War
 * Doctor Who and the Doomsday Weapon
 * Doctor Who and the Sea-Devils