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Tom Baker as The Doctor |
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Bernard Horsfall as Chancellor Goth |
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Peter Pratt as The Master |
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Llewellyn Rees as The President |
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Hugh Walters as Commentator Runcible |
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Angus MacKay as Cardinal Borusa |
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George Pravda as Castellan Spandrell |
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Erik Chitty as Co-Ordinator Engin |
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Derek Seaton as Commander Hilred |
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Maurice Quick as Gold Usher |
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John Dawson as Time Lord |
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Michael Bilton as Time Lord |
| Writing | Robert Holmes | Writer |
| Production | Philip Hinchcliffe | Producer |
| Directing | David Maloney | Director |
| Writing | Robert Holmes | Script Editor |
| Sound | Dudley Simpson | Original Music Composer |
| Crew | Dick Mills | Special Sound Effects |
| Costume & Make-Up | James Acheson | Costume Design |
| Costume & Make-Up | Jean Williams | Makeup Artist |
| Editing | Ian McKendrick | Editor |
| Camera | Fred Hamilton | Camera Operator |
| Sound | Clive Gifford | Sound |
| Sound | Graham Bedwell | Sound |
| Lighting | Brian Clemett | Lighting Director |
| Costume & Make-Up | Joan Ellacott | Costume Design |
| Art | Roger Murray-Leach | Production Design |
| Crew | Terry Walsh | Stunt Double |
| Crew | Terry Walsh | Stunt Coordinator |
| Production | Nicholas John | Production Assistant |
| Visual Effects | Len Hutton | Visual Effects Designer |
| Visual Effects | Peter Day | Visual Effects Designer |
| Visual Effects | Mitch Mitchell | Visual Effects |
| Sound | Delia Derbyshire | Theme Song Performance |
