Directed by
| Lionel Jeffries | ||
Writing Credits
| Kin Platt | ... | (novel) |
| Reginald Rose | ... | (screenplay) |
Cast (in credits order) complete, awaiting verification
| Patricia Neal | ... | Dr. Clemm | |
| Jean-Pierre Cassel | ... | Roger Tunnell | |
| Britt Ekland | ... | Chris Bentley | |
| Lynn Carlin | ... | Mrs. Baxter | |
| Scott Jacoby | ... | Roger Baxter | |
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Sally Thomsett | ... | Nemo |
| Paul Eddington | ... | Mr. Rawling | |
| Paul Maxwell | ... | Mr. Baxter | |
| Ian Thompson | ... | Dr. Walsh | |
| Ronald Leigh-Hunt | ... | Mr. Filshie | |
| Frances Bennett | ... | Mrs. Newman | |
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George Tovey | ... | George |
| Dorothy Alison | ... | Nurse Kennedy | |
| Frank Singuineau | ... | Dr. Barbour | |
| Mavis Villiers | ... | Woman in Aircraft | |
| Nicholas Smith | ... | 1st Taxi Driver | |
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John Caulfield | ... | 2nd Taxi Driver |
| Larry Cross | ... | Poker Player | |
| Hal Galili | ... | Poker Player | |
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John Bay | ... | Poker Player (as J.M. Bay) |
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Reed De Rouen | ... | Poker Player |
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Frank Mann | ... | Poker Player |
| David Cargill | ... | Poker Player | |
| Rest of cast listed alphabetically: | |||
| George Hilsdon | ... | Taxi Driver (uncredited) | |
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Aileen Lewis | ... | Air Passenger (uncredited) |
| Marianne Stone | ... | Woman (uncredited) | |
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Allan Warren | ... | Photographer (uncredited) |
Produced by
| Howard G. Barnes | ... | executive producer |
| John L. Hargreaves | ... | executive producer |
| Arthur Lewis | ... | producer |
Music by
| Michael J. Lewis | ||
Cinematography by
| Geoffrey Unsworth | ... | (photographed by) |
Editing by
| Teddy Darvas | ||
Casting By
| Rose Tobias Shaw | ||
Art Direction by
| Anthony Pratt | ||
Makeup Department
| Colin Jamison | ... | hairdresser |
| Paul Rabiger | ... | makeup artist |
Production Management
| John Palmer | ... | production manager |
Second Unit Director or Assistant Director
| Kip Gowans | ... | first assistant director |
| Nic Phillips | ... | third assistant director (uncredited) |
| David Wimbury | ... | second assistant director (uncredited) |
Art Department
| Terence Morgan | ... | set dresser |
| Bill Waldron | ... | construction manager |
Sound Department
| Charles Crafford | ... | dubbing editor |
| Gordon Everett | ... | sound mixer |
| John W. Mitchell | ... | sound mixer (as John Mitchell) |
| Jean Newson | ... | dubbing editor |
| Bill Rowe | ... | dubbing mixer |
Camera and Electrical Department
| Peter MacDonald | ... | camera operator (as Peter Macdonald) |
| Cedric James | ... | focus puller (uncredited) |
Costume and Wardrobe Department
| Elsa Fennell | ... | wardrobe supervisor |
Editorial Department
| David Gowing | ... | assistant film editor |
Location Management
| Robert Simmonds | ... | location manager |
Music Department
| Michael J. Lewis | ... | conductor |
Script and Continuity Department
| Maggie Unsworth | ... | continuity (as Margaret Unsworth) |
Additional Crew
| Maureen Fawsitt | ... | assistant to producer |
| Grace Palmer | ... | production secretary |
| Duncan Stewart | ... | production accountant |
| David Ball | ... | assistant accountant (uncredited) |
