William Hartnell
饰 The Doctor
Carole Ann Ford
饰 Susan Foreman
Jacqueline Hill
饰 Barbara Wright
William Russell
饰 Ian Chesterton
Martin Cort
饰 Voord / Warrior / Ice Soldier / Aydan
Peter Stenson
饰 Voord / Ice Soldier / Second Judge
Katherine Schofield
饰 Sabetha
Heron Carvic
饰 Voice of Morpho (voice)
Michael Allaby
饰 Ice Soldier / Larn
Alan James
饰 Ice Soldier / First Judge / Guard
Anthony Verner
饰 Ice Soldier
Raf De La Torre
饰 Senior Judge
Donald Pickering
饰 Eyesen
