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William Hartnell as The Doctor |
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Jacqueline Hill as Barbara Wright |
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William Russell as Ian Chesterton |
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Maureen O'Brien as Vicki |
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Catherine Fleming as Animus (voice) |
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Roslyn de Winter as Vrestin |
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Arne Gordon as Hrostar |
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Arthur Blake as Hrhoonda |
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Jolyon Booth as Hlynia |
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Jocelyn Birdsall as Hlynia |
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Martin Jarvis as Hillo |
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Ian Thompson as Hetra |
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Barbara Joss as Nemini |
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Robert Jewell as Zarbi |
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Jack Pitt as Zarbi |
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Gerald Taylor as Zarbi |
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Hugh Lund as Zarbi |
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Kevin Manser as Zarbi |
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John Scott Martin as Zarbi |
| Directing | Richard Martin | Director |
| Camera | Peter Hamilton | Camera Operator |
| Editing | Gitta Zadek | Editor |
| Costume & Make-Up | Daphne Dare | Costume Design |
| Costume & Make-Up | Sonia Markham | Makeup Artist |
| Lighting | Ralph Walton | Lighting Director |
| Sound | Ray Angel | Sound |
| Crew | Roslyn de Winter | Choreographer |
| Writing | Bill Strutton | Writer |
| Writing | Dennis Spooner | Script Editor |
| Production | Verity Lambert | Producer |
| Sound | Les Structures Sonores | Music |
| Sound | Delia Derbyshire | Theme Song Performance |
| Art | John Wood | Production Design |
