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Betta St. John as Joanna |
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William Sylvester as Alec Douglas |
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Michael Craig as Nils |
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Flora Robson as Donna MacKenzie |
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Alexander Knox as Stephen MacKenzie |
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Peter Arne as Owen MacKenzie |
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Patrick McGoohan as Simon Breck |
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Bernard Bresslaw as Tom Robey |
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Patrick Allen as Charles MacKenzie |
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Susan Beaumont as Kristy |
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Jill Dixon as Matille Trudeau |
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John Hayward as Philip MacKenzie |
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Errol MacKinnon as Peter Grant |
| Writing | Neil Paterson | Screenplay |
| Writing | Elisabeth Ogilvie | Novel |
| Directing | Philip Leacock | Director |
| Directing | Susan Dyson | Continuity |
| Camera | Eric Cross | Director of Photography |
| Production | Earl St. John | Executive Producer |
| Sound | Gordon K. McCallum | Sound Recordist |
| Production | Julian Wintle | Producer |
| Sound | C. C. Stevens | Sound Recordist |
| Editing | Sidney Hayers | Editor |
| Sound | Muir Mathieson | Conductor |
| Costume & Make-Up | Geoffrey Rodway | Makeup Artist |
| Production | Hugh Attwooll | Production Manager |
| Sound | John Veale | Original Music Composer |
| Costume & Make-Up | Joan Ellacott | Costume Design |
| Production | David Deutsch | Associate Producer |
| Camera | James Bawden | Camera Operator |
| Art | Edward Carrick | Art Direction |
| Directing | Robert Asher | Assistant Director |
| Sound | Harry Miller | Sound Editor |
| Costume & Make-Up | Maude Onslow | Hairstylist |
