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Hardy Krüger as Wolf Hauser |
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Sylvia Syms as Ann Wainwright |
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Ronald Lewis as Hugo Foster |
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Eric Barker as Aubrey Murdock |
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Miles Malleson as Dr. Butson |
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Newton Blick as Morgan |
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Jeremy Burnham as Adrian Baskerville |
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Peter Myers as Jeremy |
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Philip Gilbert as Conrad Lewis |
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Charles Kay as Tom Kay |
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John Richardson as Robin |
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Gillian Vaughan as Virginia Newton |
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Sandra Francis as Lois |
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Barbara Steele as Fiona |
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Catherine Feller as Helene |
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Monica Stevenson as Vanessa |
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Pamela Barreaux as Bijou |
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Beatrice Varley as Mrs. Upcott |
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Hugh Morton as Lecturer |
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Everley Gregg as Lady Don |
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Ronnie Stevens as Shop Assistant |
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David Buck as Student at Lecture (uncredited) |
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Peter Cook as Pedestrian in Street (uncredited) |
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Roger Hammond as Undergraduate pushing the car (uncredited) |
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Oliver Johnston as Professor Gadsworth (uncredited) |
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Geremy Phillips as Student (uncredited) |
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Frank Williams as Police Constable Hesketh |
| Camera | Geoffrey Unsworth | Director of Photography |
| Art | Edward Carrick | Art Direction |
| Production | Douglas Peirce | Production Manager |
| Directing | Geoffrey Haine | Assistant Director |
| Camera | Jack Atcheler | Camera Operator |
| Directing | Joan Davis | Continuity |
| Costume & Make-Up | Anthony Mendleson | Costume Design |
| Costume & Make-Up | Trevor Crole-Rees | Makeup Artist |
| Costume & Make-Up | Maude Onslow | Hairstylist |
| Sound | Frank Goulding | Sound Editor |
| Sound | Len Page | Sound Recordist |
| Sound | Terence Cotter | Sound Recordist |
| Sound | Ken Cameron | Sound Re-Recording Mixer |
| Production | Vivian Cox | Producer |
| Sound | Hubert Clifford | Original Music Composer |
| Writing | Leslie Bricusse | Writer |
| Writing | Frederic Raphael | Writer |
| Directing | Wolf Rilla | Director |
| Editing | Eric Boyd-Perkins | Editor |
