Main Cast and Crew
Cast in Credits Order
Belinda Mayne ... Thelma Joyce
Mark Bodin ... Roy (as Marc Bodin)
Roberto Barrese ... Speleologist
Benedetta Fantoli ... Maureen (as Benny Aldrich)
Michele Soavi ... Burt (as Michael Shaw)
Judy Perrin ... Jill
Danilo Micheli ... Bill (as Don Parkinson)
Claudio Falanga
Fabrizia Castagnoli ... Thelma Joyce (voice: Italian version)
Luigi Diberti ... Roy (voice: Italian version)
rest of cast listed alphabetically:
Vincenzo Falanga ... (uncredited)
Donald Hodson ... Mr. Raymond (uncredited)
Ciro Ippolito ... TV Studio Director (uncredited)
Edward Mannix ... Mr. Raymond (voice: English version) (uncredited)
Director
Ciro Ippolito (as Sam Cromwell)
Biagio Proietti (uncredited)
Writing credits (in alphabetical order)
Ciro Ippolito (as Sam Cromwell)
Produced by
Ciro Ippolito .... executive producer
Angiolo Stella .... producer
Music
Guido De Angelis (as The Oliver Onions)
Maurizio De Angelis (as The Oliver Onions)