Ηθοποιοί επεισοδίου
Tom BakerThe Doctor
Ελίζαμπεθ ΣλέιντενSarah Jane Smith
Tony BeckleyHarrison Chase
John ChallisScorby
★
Kenneth GilbertRichard Dunbar
★
Michael BarringtonSir Colin Thackeray
★
Seymour GreenHargreaves
Mark JonesArnold Keeler
★
Sylvia ColeridgeAmelia Ducat
★
David MastermanGuard Leader
★
Ian FairbairnDoctor Chester
Alan ChuntzChaffeur