Trailer
![]() | Lloyd Bridges as Frank Prior |
![]() | Moira Lister as Pauline French |
![]() | Alan Wheatley as Inspector Braddock |
![]() | Leslie Phillips as Detective Cameron |
| Hélène Cordet as Helene Castle | |
![]() | Tom Gill as Stage Manager |
| Bruce Beeby as Kendall Brown | |
![]() | Rachel Roberts as Barmaid |
| Marjory Hume as Landlady | |
![]() | Jean Marsh as Landlady's Daughter |
| Robert Harrin as The Magician | |
![]() | André van Gyseghem as George, Stage Doorman |
![]() | Lionel Blair as The Dancer |
| Robert Harbin as The Magician | |
| Charles Botterill as The Xylophonist | |
| Verne Morgan as Stone | |
| Raymond Rollett as Jonas | |
| Irissa Cooper as The Maid | |
| Maxwell Gardner as Airport Official | |
| Jon Evans as Police Scientist | |
| Olive Lucius as TV Hostess | |
| Max Boisot as The Child | |
| Louise Cordet as The Child | |
| Paul Beradi as Party Guest (Uncredited) | |
![]() | Stephen Boyd as Airport Traveller (Uncredited) |
| Richard Neller as Party Guest (Uncredited) |
| Art | |
| Cedric Dawe | Art Direction |
Costume & Make-Up | |
| Peter Evans | Makeup Artist |
| Pearl Tipaldi | Hairdresser |
Production | |
| Elsa Hatchett | Production Manager |
Directing | |
| Pat Kelly | Assistant Director |
| Douglas Hickox | Second Assistant Director |
| John Pitcher | Third Assistant Director |
Art | |
| Jack Stevens | Assistant Art Director |
Sound | |
| Dave Drinkwater | Boom Operator |
| Paul Lecker | Boom Operator |
| Kevin Sutton | Boom Operator |
Camera | |
| Ron Robson | Camera Operator |
| Alec Mills | Clapper Loader |
| Dennis Reed | Still Photographer |
| Michael Scott | Still Photographer |
| Manny Yospa | Focus Puller |
Costume & Make-Up | |
| Jenny Benson | Costume Design |
Sound | |
| Eric Robinson | Music Director |
Directing | |
| Cy Endfield | Director |
Writing | |
| Anthony Verney | Story |
| Ian Stuart Black | Screenplay |
| Reginald Long | Screenplay |
Production | |
| Donald Ginsberg | Producer |
Sound | |
| Arthur Wilkinson | Original Music Composer |
Camera | |
| Jonah Jones | Director of Photography |
Editing | |
| Stanley Willis | Editor |
Directing | |
| Gladys Reeve | Continuity |
Art | |
| Fred Mannin | Draughtsman |