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Jon Pertwee as The Doctor |
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Katy Manning as Jo Grant |
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Nicholas Courtney as Brigadier Lethbridge-Stewart |
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Richard Franklin as Captain Mike Yates |
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John Levene as Sergeant Benton |
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Roger Delgado as The Master |
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Stephen Thorne as Azal |
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Stanley Mason as Bok |
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Damaris Hayman as Miss Hawthorne |
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Don McKillop as Bert the Landlord |
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Rollo Gamble as Winstanley |
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Robin Wentworth as Prof. Horner |
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David Simeon as Alastair Fergus |
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James Snell as Harry |
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John Joyce as Garvin |
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Eric Hillyard as Dr. Reeves |
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Jon Croft as Tom Girton |
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Christopher Wray as PC Groom |
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Gerald Taylor as Baker's Man |
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Alec Linstead as Sgt. Osgood |
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John Owens as Thorpe |
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Matthew Corbett as Jones |
| Writing | Barry Letts | Writer |
| Directing | Christopher Barry | Director |
| Writing | Robert Sloman | Writer |
| Production | Barry Letts | Producer |
| Writing | Terrance Dicks | Script Editor |
| Editing | Chris Wimble | Editor |
| Lighting | Ralph Walton | Lighting Director |
| Costume & Make-Up | Barbara Lane | Costume Design |
| Art | Roger Ford | Production Design |
| Crew | Peter Diamond | Fight Choreographer |
| Visual Effects | Peter Day | Visual Effects |
| Costume & Make-Up | Jan Harrison Shell | Makeup Artist |
| Sound | Tony Millier | Sound |
| Camera | Fred Hamilton | Camera Operator |
| Sound | Dick Manton | Sound |
| Sound | Dudley Simpson | Original Music Composer |
| Sound | Delia Derbyshire | Theme Song Performance |
| Production | Peter Grimwade | Production Assistant |
