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Tom Baker as The Doctor |
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Elisabeth Sladen as Sarah Jane Smith |
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Milton Johns as Guy Crayford |
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Peter Welch as Morgan |
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Martin Friend as Styggron |
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Max Faulkner as Cpl. Adams |
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Dave Carter as Grierson |
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Ian Marter as Harry Sullivan |
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Roy Skelton as Chedaki |
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John Levene as RSM Benton |
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Stuart Fell as Kraal |
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Patrick Newell as Col. Faraday |
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Hugh Lund as Matthews |
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Heather Emmanuel as Tessa |
| Directing | Barry Letts | Director |
| Writing | Terry Nation | Writer |
| Costume & Make-Up | Barbara Lane | Costume Design |
| Sound | Dudley Simpson | Original Music Composer |
| Production | Philip Hinchcliffe | Producer |
| Editing | Mike Stoffer | Editor |
| Lighting | Alan Arbuthnott | Lighting Artist |
| Art | Philip Lindley | Production Design |
| Crew | Dick Mills | Special Sound Effects |
| Sound | Alan Machin | Sound |
| Visual Effects | Len Hutton | Visual Effects |
| Sound | Doug Mawson | Sound |
| Camera | Len Newson | Camera Operator |
| Crew | Terry Walsh | Fight Choreographer |
| Lighting | Duncan Brown | Lighting Director |
| Costume & Make-Up | Sylvia Thornton | Makeup Artist |
| Production | Marion McDougall | Production Assistant |
| Writing | Robert Holmes | Script Editor |
| Sound | Delia Derbyshire | Theme Song Performance |
