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Peter Davison as The Doctor |
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Janet Fielding as Tegan Jovanka |
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Mark Strickson as Vislor Turlough |
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Tom Adams as Vorshak |
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Ian McCulloch as Nilson |
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Ingrid Pitt as Solow |
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Nigel Humphreys as Bulic |
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Tara Ward as Preston |
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Martin Neil as Maddox |
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ניצה שאול as Karina |
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James Coombes as Paroli |
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Norman Comer as Icthar |
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Stuart Blake as Scibus |
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Vincent Brimble as Tarpok |
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Christopher Farries as Sauvix |
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Ling Tai as Seabase Crewmember |
| Directing | Pennant Roberts | Director |
| Writing | Johnny Byrne | Writer |
| Writing | Eric Saward | Script Editor |
| Production | John Nathan-Turner | Producer |
| Sound | Jonathan Gibbs | Original Music Composer |
| Crew | Dick Mills | Special Sound Effects |
| Visual Effects | Mat Irvine | Visual Effects Designer |
| Visual Effects | Dave Chapman | Visual Effects |
| Lighting | Peter Smee | Lighting Director |
| Editing | Hugh Parson | Editor |
| Visual Effects | Mitch Mitchell | Visual Effects |
| Production | Michael Darbon | Production Manager |
| Production | June Collins | Production Assistant |
| Production | Norma Flint | Production Assistant |
| Camera | Alastair Mitchell | Camera Supervisor |
| Sound | Chris Holcombe | Sound |
| Crew | Alan Arbuthnott | Technical Supervisor |
| Camera | Alec Wheal | Camera Supervisor |
| Sound | Martin Ridout | Sound |
| Costume & Make-Up | Judy Pepperdine | Costume Design |
| Art | Tony Burrough | Production Design |
| Art | Richard Gregory | Props |
| Visual Effects | Richard Gregory | Modeling |
| Sound | Peter Howell | Theme Song Performance |
