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Colin Baker as The Doctor |
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Nicola Bryant as Peri Brown |
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Michael Jayston as The Valeyard |
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Lynda Bellingham as The Inquisitor |
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Tony Selby as Sabalom Glitz |
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Glen Murphy as Dibber |
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Joan Sims as Queen Katryca |
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Tom Chadbon as Merdeen |
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Roger Brierley as Drathro (voice) |
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David Rodigan as Broken Tooth |
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Adam Blackwood as Balazar |
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Timothy Walker as Grell |
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Billy McColl as Humker |
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Sion Tudor Owen as Tandrell |
| Directing | Nicholas Mallett | Director |
| Writing | Robert Holmes | Writer |
| Writing | Eric Saward | Script Editor |
| Production | John Nathan-Turner | Producer |
| Sound | Dominic Glynn | Original Music Composer |
| Costume & Make-Up | Ken Trew | Costume Design |
| Art | John Anderson | Production Design |
| Costume & Make-Up | Denise Baron | Makeup Artist |
| Lighting | John Wiggins | Lighting Director |
| Sound | Bill Whiston | Sound |
| Production | Joy Sinclair | Production Assistant |
| Production | Clare Graham | Production Manager |
| Crew | Dick Mills | Special Sound Effects |
| Camera | Alec Wheal | Camera Supervisor |
| Lighting | Mike Jefferies | Lighting Director |
| Sound | Brian Clark | Sound |
| Visual Effects | Danny Popkin | Visual Effects |
| Visual Effects | Mike Kelt | Visual Effects Designer |
| Crew | Paul McGuinness | Special Effects Assistant |
| Sound | Dominic Glynn | Theme Song Performance |
| Editing | Steve Newnham | Editor |
