Jon Pertwee
The Doctor
Acting
Katy Manning
Jo Grant
Acting
Nicholas Courtney
Brigadier Lethbridge-Stewart
Acting
Richard Franklin
Captain Mike Yates
Acting
John Levene
Sergeant Benton
Acting
Roger Delgado
The Master
Acting
Stephen Thorne
Azal
Acting
Stanley Mason
Bok
Acting
Damaris Hayman
Miss Hawthorne
Acting
Don McKillop
Bert the Landlord
Acting
Rollo Gamble
Winstanley
Acting
Robin Wentworth
Prof. Horner
Acting
David Simeon
Alastair Fergus
Acting
James Snell
Harry
Acting
John Joyce
Garvin
Acting
Eric Hillyard
Dr. Reeves
Acting
Jon Croft
Tom Girton
Acting
Christopher Wray
PC Groom
Acting
Gerald Taylor
Baker's Man
Acting
Alec Linstead
Sgt. Osgood
Acting
John Owens
Thorpe
Acting
Matthew Corbett
Jones
Acting