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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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Michael Wisher as Rex Farrel |
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Harry Towb as McDermott |
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David Garth as Time Lord |
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Frank Mills as Radio Telescope Director |
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Christopher Burgess as Professor Philips |
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Andrew Staines as Goodge |
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John Baskcomb as Rossini |
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Dave Carter as Museum Attendant |
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Stephen Jack as Farrell Senior |
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Barbara Leake as Mrs. Farrell |
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Roy Stewart as Strong Man |
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Dermot Tuohy as Brownrose |
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Norman Stanley as Telephone Mechanic |
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Terry Walsh as Auton Policeman |
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Pat Gorman as Auton Leader |
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Hayden Jones as Auton (voice) |
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Tommy Reynolds as Troll Doll (uncredited) |
| Writing | Robert Holmes | Writer |
| Directing | Barry Letts | Director |
| Production | Barry Letts | Producer |
| Sound | Dudley Simpson | Original Music Composer |
| Costume & Make-Up | Ken Trew | Costume Design |
| Costume & Make-Up | Jan Harrison Shell | Makeup Artist |
| Writing | Terrance Dicks | Script Editor |
| Editing | Geoffrey Botterill | Editor |
| Sound | Colin Dixon | Sound |
| Art | Ian Watson | Production Design |
| Lighting | Eric Monk | Lighting Director |
| Camera | John Baker | Camera Operator |
| Sound | Delia Derbyshire | Theme Song Performance |
| Visual Effects | Michealjohn Harris | Visual Effects |
