A psychic's girlfriend finds out that a lump on her back is a growing reincarnation of a 400 year-old demonic Native American spirit.
| Writing | Graham Masterton | Novel |
| Directing | William Girdler | Director |
| Writing | William Girdler | Screenplay |
| Writing | Thomas Pope | Screenplay |
| Art | Cheryal Kearney | Set Decoration |
| Production | Gilles de Turenne | Associate Producer |
| Camera | Michel Hugo | Director of Photography |
| Production | Melvin G. Gordy | Executive Producer |
| Editing | Bub Asman | Editor |
| Sound | Lalo Schifrin | Original Music Composer |
| Writing | Jon Cedar | Screenplay |
| Production | Jon Cedar | Associate Producer |
| Production | David Sheldon | Executive Producer |
| Art | Walter Scott Herndon | Production Design |
| Production | William Girdler | Producer |
| Crew | Thomas R. Burman | Makeup Effects |
| Crew | Larry Holt | Stunts |
| Crew | Dar Robinson | Stunts |
| Crew | Al Wyatt Sr. | Stunts |
