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Patricia Laffan as Nyah |
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Hugh McDermott as Michael Carter |
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Hazel Court as Ellen Prestwick |
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Joseph Tomelty as Prof. Arnold Hennessy |
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Adrienne Corri as Doris |
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Peter Reynolds as Robert Justin / Albert Simpson |
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Sophie Stewart as Mrs.Jamieson |
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John Laurie as Mr. Jamieson |
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Anthony Richmond as Tommy |
| Editing | Brough Taylor | Editor |
| Production | Harry Lee Danziger | Producer |
| Sound | Edwin Astley | Original Music Composer |
| Writing | James Eastwood | Screenplay |
| Directing | David MacDonald | Director |
| Camera | Jack E. Cox | Director of Photography |
| Art | Norman G. Arnold | Art Direction |
| Production | Edward J. Danziger | Producer |
| Costume & Make-Up | George Partleton | Makeup Artist |
| Directing | Betty Forster | Script Supervisor |
| Crew | Jack Whitehead | Special Effects |
| Sound | Gerry Anderson | Sound Editor |
