출연진
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)
Adrian Gibbs
The Watcher (archive footage)