| Cast | Peter Davison (as The Doctor), Sarah Sutton (as Nyssa), Janet Fielding (as Tegan Jovanka), Anthony Ainley (as The Master / Kalid), Nigel Stock (as Professor Hayter), Richard Easton (as Captain Stapley), Keith Drinkel (as Flight Engineer Scobie), Michael Cashman (as First Officer Bilton), John Flint (as Captain Urquhart), Judith Byfield (as Angela Clifford), Peter Dahlsen (as Horton), Brian McDermott (as Sheard), Peter Cellier (as Andrews), Matthew Waterhouse (as Adric), Hugh Hayes (as Anithon), André Winterton (as Zarak) |
