| Cast | Jon Pertwee (as The Doctor), Katy Manning (as Jo Grant), Nicholas Courtney (as Brigadier Lethbridge-Stewart), Richard Franklin (2) (as Captain Mike Yates), John Levene (as Sergeant Benton), Roger Delgado (as The Master), Stephen Thorne (as Azal), Stanley Mason (as Bok), Damaris Hayman (as Miss Hawthorne), Robin Wentworth (as Professor Horner), David Simeon (as Alastair Fergus), Alec Linstead (as Sergeant Osgood), Rollo Gamble (as Winstanley), Don McKillop (as Bert the Landlord), John Joyce (as Garvin), Jon Croft (as Tom Girton), Matthew Corbett (as Jones), James Snell (as Harry), Christopher Wray (as PC Groom), Eric Hillyard (as Dr Reeves), John Owens (as Thorpe) |
