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Darleen Carr as Katey Summers |
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Robert Beatty as Dan Summers |
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Michael Kitchen as Ian |
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Ian Redford as Barnstaple |
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Basil Lord as Parsons |
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Elaine Donnelly as Esme |
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Eileen Peel as Suzy |
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Harry Webster as Hopcroft |
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John Challis as Peter |
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Desmond Jordan as Telson |
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Jane Williams as Louise |
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George Herbert as Pearson |
| Writing | Brian Clemens | Writer |
| Directing | Alan Gibson | Director |
| Production | Ian Fordyce | Producer |
| Sound | Paul B. Clay | Music Supervisor |
| Costume & Make-Up | Shirley Muslin | Makeup Supervisor |
| Art | Michael Eve | Production Design |
| Editing | Al Pigden | Editor |
| Production | Cecil Clarke | Executive Producer |
| Costume & Make-Up | Sue Le Cash | Wardrobe Supervisor |
| Sound | Laurie Johnson | Music |
| Sound | Len Penfold | Sound Director |
| Lighting | Pete Dyson | Lighting Director |
| Editing | Carole Legg | Editor |
| Editing | Colin Slade | Editor |