cast
- Keir Dullea
- Julian Bedford
- Suzanna Love
- Kaylie Bedford
- Vera Miles
- Marian
- Percy Rodrigues
- Dr. Robinson
- Tony Curtis
- Dr. Clavius
- Ryan Seitz
- Danny Bedford
- Nicholas Love
- Willy Meiser
- Corinne Wahl
- Leila Adams
- Eve Brent Ashe
- Miss Simpson
- Paul Willson
- Dr. Schroder
crew
- Arthur A. Seidelman
- Director
- Ulli Lommel
- Director, Producer, Screenwriter, Cinematographer
- Jochen Breitenstein
- Producer
- Suzanna Love
- Dialogue Writer, Screenwriter
- Jon Kranhouse
- Cinematographer
- Robert O. Ragland
- Composer (Music Score)
- Richard Brummer
- Editor
- N.H.P. Inc.
- Special Effects
- Bruce Starr
- First Assistant Director
- Ron Norman
- Production Manager
