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Patrick Troughton
The Doctor

Deborah Watling
Victoria

Frazer Hines
Jamie McCrimmon

Shirley Cooklin
Kaftan

Roy Stewart
Toberman

George Pastell
Eric Klieg

Aubrey Richards
Professor Parry

Cyril Shaps
Viner

Bernard Holley
Peter Haydon

George Roubicek
Captain Hopper

Clive Merrison
Jim Callum

Alan Johns
Ted Rogers

Ray Grover
Crewman

Peter Hawkins
Cybermen Voices

Michael Kilgarriff
Cyber Controller

Hans De Vries
Cyberman