All Cast

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
