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Tom Baker
The Doctor

Lalla Ward
Romana

Matthew Waterhouse
Adric

John Leeson
K9 (voice)

George Baker
Login

Leonard Maguire
Draith

James Bree
Nefred

Alan Rowe
Garif

Tony Calvin
Dexeter

Richard Willis
Varsh

Bernard Padden
Tylos

June Page
Keara

Andrew Forbes
Omril

Adrian Gibbs
Rysik

Barney Lawrence
Marshman

Norman Bacon
Marshchild