Patrick Troughton
The Doctor
Frazer Hines
Jamie McCrimmon
Wendy Padbury
Zoe Heriot
Kevin Stoney
Tobias Vaughn
Nicholas Courtney
Brigadier Lethbridge-Stewart
Edward Burnham
Professor Watkins
Sally Faulkner
Isobel Watkins
Peter Halliday
Packer/Cyberman Voice
