크레딧 출연 Tom Baker The Doctor Elisabeth Sladen Sarah Jane Smith Ian Marter Harry Sullivan Nicholas Courtney Brigadier Lethbridge-Stewart John Levene RSM Benton Patricia Maynard Miss Winters Michael Kilgarriff The Robot Edward Burnham Professor Kettlewell Alec Linstead Jellicoe Timothy Craven Short Clive Barrie Phillips Walter Goodman Joseph Chambers Jon Pertwee The Doctor 스텝 Christopher Barry Directing Terrance Dicks Writing Robert Holmes Writing Barry Letts Production Dudley Simpson Sound James Acheson Costume & Make-Up Ian Rawnsley Art Judy Clay Costume & Make-Up Peter Grimwade Production Dick Mills Crew Nigel Wright Lighting John Holmes Sound Trevor Webster Sound John Mason Lighting Vic Godrich Sound Clifford Culley Visual Effects George Gallaccio Production Delia Derbyshire Sound