 | Ronee Blakley als Simone Maglore |
 | Keir Dullea als Dr. David Priestly |
 | Pol Pelletier als Miss Smith |
 | Cec Linder als Dr. Paul Carstairs |
| Don Thompson | Director |
| Robert Bloch | Original Story |
| Jim Hanley | Producer |
| Philip Nixon | Executive Producer |
| Ronee Blakley | Musician |
| Dennis Miller | Director of Photography |
| Christopher Castellyn | Editor |
| George Bourne | Casting |
| Robert Hall | Art Direction |
| Armando Sgrignuoli | Set Decoration |
| Dee Nadeau | Unit Manager |
| Ivo Nightingale | Assistant Director |
| Rex Neville | Special Effects |
