출연진
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