Calificación
Reparto

Peter Davison
The Doctor

Matthew Waterhouse
Adric

Janet Fielding
Tegan

Sarah Sutton
Nyssa

James Warwick
Scott

Clare Clifford
Kyle

Beryl Reid
Briggs

June Bland
Berger

Steve Morley
Walters

Suzi Arden
Snyder

Ann Holloway
Mitchell

Anne Clements
Trooper

Mark Straker
Trooper

Alec Sabin
Ringway

Mark Fletcher
Crewmember

Christopher Whittingham
Crewmember