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Terence Stamp as John Soames |
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Robert Vaughn as Dr. Bergen |
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Nigel Davenport as Dr. Maitland |
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Christian Roberts as Thomas Fleming |
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Donal Donnelly as Joe Allan |
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Norman Jones as Davis |
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Dan Jackson as Nicholls |
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Vickery Turner as Naomi |
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Judy Parfitt as Jenny Bannerman |
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Scott Forbes as Richard Bannerman |
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Joe McPartland as Inspector Moore |
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Pamela Moiseiwitsch as Girl on Train |
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Billy Cornelius as Sgt. Clifford |
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Jon Croft as Guard |
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Esmond Webb as Ticket Seller |
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Bill Pilkington as Pub Owner |
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Kate Binchy as Barmaid |
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Joe Gladwin as Old Man In Car |
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Tony Caunter as Schoolteacher |
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Eric Brooks as T.V. Floor Manager |
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Christopher Timothy as TV Camera Operator (uncredited) |
| Directing | Alan Cooke | Director |
| Writing | John Hale | Screenplay |
| Writing | Charles Eric Maine | Novel |
| Writing | Edward Simpson | Screenplay |
| Costume & Make-Up | Jill Carpenter | Makeup Artist |
| Crew | Billy Williams | Lighting Camera |
| Directing | Jake Wright | First Assistant Director |
| Editing | Bill Blunden | Editor |
| Costume & Make-Up | Gordon Bond | Hairdresser |
| Camera | David Harcourt | Camera Operator |
| Sound | Michael Dress | Music |
| Production | Teresa Bolland | Production Manager |
| Art | William Constable | Production Design |
| Art | Don Mingaye | Art Direction |
| Crew | Peter Diamond | Stunts |
| Production | John Comfort | Production Manager |
| Directing | Ariel Levy | Second Assistant Director |
| Production | Milton Subotsky | Producer |
| Production | Max Rosenberg | Producer |
| Camera | Billy Williams | Director of Photography |
| Directing | Robert Habermann | Third Assistant Director |
| Art | Andrew Low | Set Dresser |
| Art | Bill Waldron | Construction Manager |
| Art | Arthur Wicks | Standby Property Master |
| Sound | John Aldred | Sound Mixer |
| Sound | Ian Fuller | ADR Editor |
| Sound | Nolan Roberts | ADR Mixer |
| Camera | John Howard | Camera Operator |
| Costume & Make-Up | Evelyn Gibbs | Wardrobe Designer |
| Sound | Michael Dress | Conductor |
| Sound | John Williams | Musician |
| Directing | Kay Rawlings | Continuity |
| Production | Gordon Stebbing | Assistant Accountant |
| Production | Kathy Ewings | Producer's Assistant |
