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