Patrick Troughton
The Doctor
Acting
Frazer Hines
Jamie McCrimmon
Acting
Deborah Watling
Victoria Waterfield
Acting
Peter Barkworth
Clent
Acting
Peter Sallis
Penley
Acting
Wendy Gifford
Miss Garrett
Acting
Angus Lennie
Storr
Acting
Peter Diamond
Davis
Acting
George Waring
Arden
Acting
Malcolm Taylor
Walters
Acting
Roy Skelton
Voice of the Computer
Acting
Bernard Bresslaw
Varga
Acting
Roger Jones
Zondal
Acting
Sonny Caldinez
Turoc
Acting
Michael Attwell
Isbur
Acting
Tony Harwood
Rintan
Acting