Company Credits
Production Companies
Distributors
- William Mishkin Motion Pictures (1974) (USA) (theatrical) (dubbed)
- Frontier Amusements (1974) (Canada) (theatrical) (dubbed) (as "Slasher...is the Sex Maniac")
- William Mishkin Motion Pictures (1976) (USA) (theatrical) (re-edited hardcore version) (retitled re-release) (dubbed)
- Overseas Film Company (1972) (Italy) (theatrical)
- Camera Obscura (2010) (Germany) (DVD)
- CineHollywood (CH) (Greece) (VHS)
- Cinefear (USA) (VHS)
- Gaumont-Columbia-RCA (GCR) (1985) (France) (VHS) (as GCR Distribution)
- Monterey Home Video (1985) (USA) (VHS)
- Mya Communication (2011) (USA) (DVD)
- Schmalz-Schneider (2010) (Austria) (DVD) (as Illusions Unltd. Films)
- Svenska Walthers Video (SW) (all media)
- Toho Video (all media)
- Videoteca Studio (1981) (Greece) (VHS)
Other Companies
- Imprecom (sound recording and editing)
