Elenco - Doctor Who: Castrovalva
Peter Davison
The Doctor
Matthew Waterhouse
Adric
Sarah Sutton
Nyssa
Janet Fielding
Tegan Jovanka
Anthony Ainley
The Master / The Portreeve
Dallas Cavell
Head of SecurityFrank Wylie
RutherDerek Waring
Shardovan
Michael Sheard
MergraveSouska John
Child
Tom Baker
The Doctor (archive footage)Adrian Gibbs
The Watcher (archive footage)