Reparto (30)
Tom Baker
The Doctor
William Hartnell
The Doctor
Patrick Troughton
The Doctor
Jon Pertwee
The Doctor
Nicholas Courtney
Brigadier Lethbridge-Stewart
Janet Fielding
Tegan Jovanka
Elisabeth Sladen
Sarah Jane Smith
Frazer Hines
Jamie McCrimmon
John Leeson
K9 (voice)
John Levene
Sergeant Benton
Jacqueline Hill
Barbara Wright
Katy Manning
Jo Grant
William Russell
Ian Chesterton
John Scott Martin
Dalek Operator
Peter Davison
The Doctor
Lalla Ward
Romana II
Louise Jameson
Leela
Nicola Bryant
Perpugilliam "Peri" Brown
Mark Strickson
Vislor Turlough
Carole Ann Ford
Susan Foreman
Wendy Padbury
Zoe Heriot
Terry Walsh
UNIT Soldier (uncredited)
Richard Franklin
Captain Mike Yates
Peter Purves
Steven Taylor
Matthew Waterhouse
Adric
Sylvester McCoy
The Doctor
Roger Delgado
The Master
Pat Gorman
Sea Devil
Roy Skelton
Dalek (voice)
Maureen O'Brien
Vicki