Cast 13
Tom Baker
The Doctor
Matthew Waterhouse
Adric
Sarah Sutton
Nyssa
Geoffrey Beevers
Melkur / The Master
Anthony Ainley
Tremas / The Master
Sheila Ruskin
Kassia
Denis Carey
The Keeper
John Woodnutt
Seron
Margot Van der Burgh
Katura
Robin Soans
Luvic
Roland Oliver
Neman
Liam Prendergast
Foster
Philip Bloomfield
Foster
Crew 18