Directed by
| Gino Mangini | ... | (as Henry Wilson) |
Writing Credits (in alphabetical order)
| Gino Mangini | ... | (as Henry Wilson) |
Cast (in credits order)
 |
Giotto Tempestini | ... | Dr. Edward (as Bernard Price) |
|
|
Diana Martín | ... | Muriel |
| Tony Kendall | ... | Henry | |
|
|
Ilona Drash | ... | Margie (as Denise Clar) |
| Claude Dantes | ... | Elizabeth | |
| Luciano Pigozzi | ... | Peter (as Alan Collins) | |
|
|
Gianni Medici | ... | Chris (as John Mathews) |
| Gino Rossi | ... | Inspector O'Connor (as Thomas Walton) | |
|
|
Angelo Dessy | ... | Dr. Antony Finney (as James Harrison) |
|
|
Gino Rumor | ... | Quayle (as Antony Wright) |
| Attilio Dottesio | ... | Brown (as William Burke) | |
|
|
Mario Milita | ... | John Reed (as Robert Burton) |
|
|
Anita Todesco | ... | Margaret (as Annie Benson) |
Produced by
| Giuliano Simonetti | ... | producer |
Music by
| Francesco De Masi | ... | (as Frank Mason) |
Cinematography by
| Guglielmo Mancori | ... | (as Hugh Griffith) |
Set Decoration by
| Gabriele Crisanti | ... | (as Gabriel Kriss) |
Makeup Department
| Anna Graziosi | ... | hair stylist (as Anny Grace) |
Production Management
| Enrico Bologna | ... | production supervisor (as Henry Bolis) |
| Gino Rossi | ... | production manager (as Thomas Walton) |
Second Unit Director or Assistant Director
| Gianfranco Baldanello | ... | assistant director (as Frank Bhandy) |
Camera and Electrical Department
| Mario Sbrenna | ... | camera operator (as Graig Mark) |
Script and Continuity Department
| Roberto Giandalla | ... | script supervisor (as Robert Grand) |
Additional Crew
| Agostino Pane | ... | production assistant (as Jhon Bread) |
