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Tom Baker as The Doctor |
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Matthew Waterhouse as Adric |
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Sarah Sutton as Nyssa |
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Geoffrey Beevers as Melkur (voice) / The Master |
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Anthony Ainley as Tremas / The Master |
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Sheila Ruskin as Kassia |
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Denis Carey as The Keeper |
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John Woodnutt as Seron |
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Margot Van der Burgh as Katura |
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Robin Soans as Luvic |
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Roland Oliver as Neman |
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Liam Prendergast as Foster |
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Philip Bloomfield as Foster |
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Graham Cole as Melkur |
| Directing | John Black | Director |
| Writing | Johnny Byrne | Writer |
| Writing | Christopher H. Bidmead | Script Editor |
| Production | John Nathan-Turner | Producer |
| Production | Barry Letts | Executive Producer |
| Sound | Roger Limb | Original Music Composer |
| Costume & Make-Up | Amy Roberts | Costume Design |
| Art | Tony Burrough | Production Design |
| Costume & Make-Up | Norma Hill | Makeup Artist |
| Production | Alan Wareing | Production Assistant |
| Camera | Alec Wheal | Camera Operator |
| Crew | Dick Mills | Special Sound Effects |
| Lighting | Don Babbage | Lighting Director |
| Sound | John Holmes | Sound |
| Sound | Alan Fogg | Sound |
| Visual Effects | Dave Chapman | Visual Effects |
| Editing | Rod Waldron | Editor |
| Visual Effects | Peter Logan | Visual Effects |
| Sound | Peter Howell | Theme Song Performance |
