Directed by
| Paul Wendkos | ||
Writing Credits (in alphabetical order)
| Guy Endore | ... | (story) |
| Richard Alan Simmons | ||
Cast (in credits order)
| Louis Jourdan | ... | Dr. David Sorell | |
| Lynda Day George | ... | Barbara Anholt (as Lynda Day) | |
| Carroll O'Connor | ... | Myles Donovan | |
| Bradford Dillman | ... | Paul Varney | |
| Wilfrid Hyde-White | ... | Harry Snowden | |
| Marsha Hunt | ... | Mrs. Varney | |
| Katherine Woodville | ... | Ingrid Dorne (as Katharine Woodville) | |
 |
Harry Davis | ... | Mr. Wyant |
| Ivor Barry | ... | Lecturer | |
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Jeanne Buckley | ... | Miss Bamett |
| Robert Sampson | ... | First Party Guest | |
|
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Lyn Peters | ... | Second Party Guest |
| Susan Brown | ... | Third Party Guest | |
| Rest of cast listed alphabetically: | |||
|
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Tammy Lee | ... | Little Girl in Park |
|
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Trent Lehman | ... | Boy on Bench (uncredited) |
Produced by
| David Levinson | ... | associate producer |
| Richard Alan Simmons | ... | producer |
Music by
| Billy Goldenberg | ... | (as William Goldenberg) |
Cinematography by
| Andrew J. McIntyre | ||
Editing by
| Byron Chudnow | ||
Art Direction by
| Howard E. Johnson | ||
Set Decoration by
| John McCarthy Jr. | ... | (as John McCarthy) |
| Joseph J. Stone | ... | (as Joseph Stone) |
Makeup Department
| Larry Germain | ... | hair stylist |
| Bud Westmore | ... | makeup artist |
Production Management
| George Lollier | ... | unit manager |
| Charles Clement | ... | post production operations head (uncredited) |
Second Unit Director or Assistant Director
| Kenny Williams | ... | assistant director |
Sound Department
| Denvil L. Daniels | ... | sound |
Special Effects by
| Don Record | ... | special effects designer |
Camera and Electrical Department
| Randall Robinson | ... | assistant camera (uncredited) |
| Herbert Smith | ... | camera operator (uncredited) |
Costume and Wardrobe Department
| Helen Colvig | ... | costumer |
Editorial Department
| Richard Belding | ... | editorial supervisor |
| Robert Brower | ... | color coordinator |
Music Department
| Stanley Wilson | ... | music supervisor |
