Ηθοποιοί επεισοδίου
Tom BakerThe Doctor
Ελίζαμπεθ ΣλέιντενSarah Jane Smith
Philip MadocSolon
★
Michael SpiceVoice of Morbius (voice)
★
Cynthia GrenvilleMaren
★
Gillian BrownOhica
★
Sue BishopSister
★
Janie KellsSister
★
Gabrielle MowbraySister
★
Veronica RidgeSister
★
Colin FayCondo
★
Stuart FellMonster
Graeme HarperMind Battle Face (uncredited)