Company Credits
Production Companies
- Da Ma Produzione
- P.A.C. (co-production)
Distributors
- Metro-Goldwyn-Mayer (MGM) (1972) (West Germany) (theatrical)
- Metro-Goldwyn-Mayer (MGM) (1972) (USA) (theatrical) (dubbed)
- MGM-EMI (1972) (UK) (theatrical)
- Blue Underground (2006) (USA) (DVD)
- Cinefear (USA) (VHS)
Other Companies
- Digitmovies Alternative Entertainment (soundtrack)
