All Cast
Peter Davison
The Doctor
Matthew Waterhouse
Adric
Sarah Sutton
Nyssa
Janet Fielding
Tegan Jovanka
Anthony Ainley
The Master / The Portreeve
Dallas Cavell
Head of Security
Frank Wylie
Ruther
Derek Waring
Shardovan
Michael Sheard
Mergrave
Souska John
Child
Tom Baker
The Doctor (archive footage)