Cast

Jon Pertwee

The Doctor

Katy Manning

Jo Grant

Roger Delgado

The Master

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Vera Fusek

President of Earth

Michael Hawkins

General Williams

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Peter Birrel

Draconian Prince

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Lawrence Davidson

Draconian First Secretary (uncredited)

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Timothy Craven

Cell guard (uncredited)

Ray Lonnen

Gardiner

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Barry Ashton

Kemp

Crew

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Paul Bernard

Director (Directing)

David Maloney

Director (Directing)

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Malcolm Hulke

Writer (Writing)

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Cynthia Kljuco

Production Design (Art)

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John Bush

Editor (Editing)

Barry Letts

Producer (Production)

Dick Mills

Special Sound Effects (Crew)

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Barbara Kidd

Costume Design (Costume & Make-Up)

Terrance Dicks

Script Editor (Writing)

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Ralph Walton

Lighting Director (Lighting)