Directed by
| Ciro Ippolito | ... | (as Sam Cromwell) (directed by) |
| Biagio Proietti | ... | (uncredited) |
Writing Credits
| Ciro Ippolito | ... | (written by) (as Sam Cromwell) |
Cast (in credits order) complete, awaiting verification
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Belinda Mayne | ... | Thelma Joyce |
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Mark Bodin | ... | Roy (as Marc Bodin) |
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Roberto Barrese | ... | Speleologist |
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Benedetta Fantoli | ... | Maureen (as Benny Aldrich) |
| Michele Soavi | ... | Burt (as Michael Shaw) | |
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Valeria Perilli | ... | Jill (as Judy Perrin) |
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Danilo Micheli | ... | Bill (as Don Parkinson) |
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Claudio Falanga | ||
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Fabrizia Castagnoli | ... | Thelma Joyce (voice) |
| Rest of cast listed alphabetically: | |||
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Donald Hodson | ... | Mr. Raymond (uncredited) |
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Ciro Ippolito | ... | TV Studio Director (uncredited) |
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Peter Shepherd | ... | Peter (uncredited) |
Produced by
| Ciro Ippolito | ... | executive producer / producer (as Sam Cromwell) (produced by) |
| Angiolo Stella | ... | producer |
Music by
| Guido De Angelis | ... | (as Oliver Onions) (music by) |
| Maurizio De Angelis | ... | (as Oliver Onions) (music by) |
Cinematography by
| Silvio Fraschetti | ... | director of photography |
Editing by
| Carlo Broglio | ||
Production Design by
| Angelo Mattei | ||
| Mario Molli | ||
Costume Design by
| Valeria Valenza | ||
Makeup Department
| Lamberto Marini | ... | makeup artist |
Production Management
| Nino Milano | ... | production manager |
| Naldo Nibbi | ... | production supervisor (as Aldo Nibbi) |
Art Department
| Massimiliano Cerchi | ... | assistant production designer (as Alvaro Passeri) |
| Alvaro Passeri | ... | assistant production designer |
Sound Department
| Nick Alexander | ... | dubbing editor |
Special Effects by
| Ciro Ippolito | ... | special effects (as Donald Patterly) |
Camera and Electrical Department
| Oddone Bernardini | ... | camera operator |
| Roberto Calabró | ... | still photographer: action stills |
| Federico Del Zoppo | ... | camera operator |
| Roberto Marsigli | ... | assistant camera (as Roberto Marsili) |
| Ugo Menegatti | ... | assistant camera |
Costume and Wardrobe Department
| Maura Zuccherofino | ... | seamstress (as Maria Zuccherofino) |
Editorial Department
| Angela Rosa Taccari | ... | first assistant editor |
| Ernesto Triunveri | ... | second assistant editor |
Script and Continuity Department
| Rosaria Cilento | ... | continuity |
Additional Crew
| Fabrizia Castagnoli | ... | voice dubbing: Belinda Mayne |
| Luigi Diberti | ... | voice dubbing: Mark Bodin |
| Edilio Kim | ... | unit publicist (as Kim Gatti) |
| Federica Lampronti | ... | production secretary |
| Simone Pinto | ... | consultant: speleology |
