On screen
Cast
16 credited performers
Jon Pertwee
The Doctor
Caroline John
Liz Shaw
Nicholas Courtney
Brigadier Lethbridge-Stewart
Hugh Burden
Channing
Hamilton Dyce
Major General Scobie
Artwork unavailable
Antony Webb
Dr. Henderson
Neil Wilson
Seeley
Artwork unavailable
Talfryn Thomas
Mullins
John Breslin
Captain Munro
John Woodnutt
Hibbert
Artwork unavailable
Derek Smee
Ransome
Artwork unavailable
Henry McCarthy
Dr. Beavis
Artwork unavailable
Betty Bowden
Meg
Artwork unavailable
Allan Mitchell
Wagstaffe
Artwork unavailable
Robin Squire
Auton Scount / UNIT Driver
Artwork unavailable
David Dewhurst
Private Hawkins