Cast

Tom Baker

The Doctor

Mary Tamm

Romana

Neil McCarthy

Thawn

John Abineri

Ranquin

Philip Madoc

Fenner

Glyn Owen

Rohm-Dutt

Carl Rigg

Varlik

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Frank Jarvis

Skart

John Leeson

Dugeen

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Grahame Mallard

Harg

Crew

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Norman Stewart

Director (Directing)

Robert Holmes

Writer (Writing)

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Graham Williams

Producer (Production)

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Anthony Read

Script Editor (Writing)

John Nathan-Turner

Producer (Production)

Dudley Simpson

Music (Sound)