Directed by
| Pennant Roberts | ||
Writing Credits
| Douglas Adams | ... | (by) (original material) |
Cast (in credits order)
| Tom Baker | ... | Doctor Who / Narrator | |
| Lalla Ward | ... | Romana | |
| Christopher Neame | ... | Skagra | |
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Denis Carey | ... | Professor Chronotis |
| Daniel Hill | ... | Chris Parsons | |
| Victoria Burgoyne | ... | Clare Keightley | |
| David Brierly | ... | K9 / Computer (voice) (as David Brierley) | |
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Gerald Campion | ... | Porter (Wilkins) |
| Shirley Dixon | ... | Voice of Skagra's Ship | |
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Derek Pollitt | ... | Professor Caldera (episode 4) |
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John Hallet | ... | Police Constable (episode 6) |
| Rest of cast listed alphabetically: | |||
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Graham Cole | ... | Krarg (uncredited) |
| Harry Fielder | ... | Krarg Commander / Krarg 3 (uncredited) | |
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James Muir | ... | Krarg (uncredited) |
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Lionel Sansby | ... | Krarg (uncredited) |
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Ken Sedd | ... | Young Scientist (uncredited) |
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Derek Suthern | ... | Krarg (uncredited) |
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Reg Woods | ... | Krarg (uncredited) |
Produced by
| John Nathan-Turner | ... | producer (video release) |
| Graham Williams | ... | producer |
Cinematography by
| Fintan Sheehan | ||
Editing by
| Tariq Anwar | ... | (original production) |
Production Design by
| Victor Meredith | ||
Costume Design by
| Rupert Jarvis | ... | (as Rupert Roxburghe-Jarvis) (original production) |
Production Management
| John Nathan-Turner | ... | unit production manager |
| Ralph Wilton | ... | production manager |
Costume and Wardrobe Department
| Rupert Jarvis | ... | costumes: original production (as Roxburghe-Jarvis) |
Music Department
| Ron Grainer | ... | composer: theme music |
| Dudley Simpson | ... | composer original production: uncompleted |
Additional Crew
| Douglas Adams | ... | script editor: original material |
| Olivia Hill | ... | assistant to director (as Olivia Bazalgette) |
