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Tom Baker as The Doctor / Narrator |
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Lalla Ward as Romana |
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David Brierley as K9 /Computer (voice) |
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Christopher Neame as Skagra |
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Denis Carey as Professor Chronotis |
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Daniel Hill as Chris Parsons |
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Victoria Burgoyne as Clare Keightley |
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Gerald Campion as Wilkin |
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Derek Pollitt as Dr. Caldera |
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Shirley Dixon as The Ship (voice) |
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John Hallet as Police Constable |
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David Strong as Passenger |
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Graham Cole as Krarg |
| Editing | Tariq Anwar | Editor |
| Directing | Pennant Roberts | Director |
| Writing | Douglas Adams | Writer |
| Writing | Douglas Adams | Script Editor |
| Production | John Nathan-Turner | Producer |
| Production | Graham Williams | Producer |
| Sound | Keff McCulloch | Original Music Composer |
| Camera | Alec Wheal | Camera Supervisor |
| Camera | Peter Tyler | Director of Photography |
| Costume & Make-Up | Joan Stribling | Hair Designer |
| Costume & Make-Up | Joan Stribling | Makeup Designer |
| Visual Effects | Dave Havard | Visual Effects Designer |
| Production | John Nathan-Turner | Production Manager |
| Camera | Fintan Sheehan | Camera Operator |