Tom Baker
The Doctor
Acting
Elisabeth Sladen
Sarah Jane Smith
Acting
Ian Marter
Harry Sullivan
Acting
Nicholas Courtney
Brigadier Lethbridge-Stewart
Acting
John Levene
RSM Benton
Acting
Patricia Maynard
Miss Winters
Acting
Michael Kilgarriff
The Robot
Acting
Edward Burnham
Professor Kettlewell
Acting
Alec Linstead
Jellicoe
Acting
Timothy Craven
Short
Acting
Clive Barrie
Phillips
Acting
Walter Goodman
Joseph Chambers
Acting
Jon Pertwee
The Doctor
Acting