Directed by
| Laslo Benedek | ||
Writing Credits
| Guy Elmes | ... | (screenplay) |
| Samuel Roeca | ... | (based on an original story by) (as Sam Roecca) |
Cast (in credits order) verified as complete
| Max von Sydow | ... | Salem | |
| Trevor Howard | ... | Inspector | |
| Liv Ullmann | ... | Ester Jenks | |
| Per Oscarsson | ... | Dr. Anton Jenks | |
| Rupert Davies | ... | Mr. Clemens | |
| Andrew Keir | ... | Dr. Kemp | |
| Jim Kennedy | ... | Carl | |
| Arthur Hewlett | ... | Pop | |
| Hanne Borchsenius | ... | Emmie (as Hanne Bork) | |
| Gretchen Franklin | ... | Mrs. Hansen | |
| Bjørn Watt-Boolsen | ... | Mr. Torens (as Bjorn Watt-Boolsen) | |
| Lotte Freddie | ... | Britt Torens | |
| Erik Kühnau | ... | Police Doctor (as Erik Kuhnau) | |
Produced by
| Mel Ferrer | ... | producer |
Music by
| Henry Mancini | ||
Cinematography by
| Henning Kristiansen | ... | director of photography |
Editing by
| Bill Blunden | ||
Production Design by
| P.A. Lundgren | ||
Art Direction by
| Viggo Bentzon | ||
Makeup Department
| Ruth Mahler | ... | makeup artist |
| Bengt Ottekil | ... | makeup artist |
Production Management
| Katinka Faragó | ... | production manager (as Katinka Farago) |
Art Department
| Karen Bentzon | ... | props |
Sound Department
| Bob Allen | ... | sound mixer (as Robert Allen) |
| Ian Fuller | ... | sound editor |
| Hugh Strain | ... | dubbing mixer |
Camera and Electrical Department
| Peter Klitgaard | ... | camera operator (as Peter Klitgard) |
Additional Crew
| Pamela Davies | ... | assistant to the director |
| Sidney Glazier | ... | presenter |
| Romy Watt-Torrance | ... | production secretary |