크레딧 출연 Jon Pertwee The Doctor Katy Manning Jo Grant Nicholas Courtney Brigadier Lethbridge-Stewart Richard Franklin Captain Mike Yates John Levene Sergeant Benton Roger Delgado The Master Stephen Thorne Azal Stanley Mason Bok Damaris Hayman Miss Hawthorne Don McKillop Bert the Landlord Rollo Gamble Winstanley Robin Wentworth Prof. Horner David Simeon Alastair Fergus James Snell Harry John Joyce Garvin Eric Hillyard Dr. Reeves Jon Croft Tom Girton Christopher Wray PC Groom Gerald Taylor Baker's Man Alec Linstead Sgt. Osgood John Owens Thorpe Matthew Corbett Jones 스텝 Barry Letts Writing Christopher Barry Directing Robert Sloman Writing Dudley Simpson Sound Terrance Dicks Writing Barry Letts Production Roger Ford Art Ralph Walton Lighting Jan Harrison Shell Costume & Make-Up Fred Hamilton Camera Tony Millier Sound Peter Diamond Crew Chris Wimble Editing Barbara Lane Costume & Make-Up Dick Manton Sound Peter Day Visual Effects