cast
- Lesley-Anne Down
- Joan
- Richard Pasco
- Dr. Veber
- Anthony Hopkins
- Dr. Ravic
- Joyce Blair
- Rolande
- Martin Benson
- Goldberg
- Alexander Davion
- Alex
- Frank Finlay
- Boris
- Donald Pleasence
- Haake
crew
- Waris Hussein
- Director
- John Newland
- Producer
- Mort Abrahams
- Producer
- Peter Graham Scott
- Producer
- Charles Israel
- Screenwriter
- Bob Edwards
- Cinematographer
- Georges Delerue
- Composer (Music Score)
- Terry Maisey
- Editor
