Company Credits
Production Companies
- Constantin Film Produktion (presents)
- Produzioni Europee Associati (PEA) (A Co-Production) (as P.E.A. Rome)
- Arturo González Producciones Cinematográficas (A Co-Production) (as Arturo Gonzales Madrid)
- Constantin Film Produktion (A Co-Production) (as Constantin Film Munich)
Distributors
- Constantin Film (1966) (West Germany) (theatrical)
- United Artists Films (1966) (Finland) (theatrical) (cut version)
- United Artists (1966) (Sweden) (theatrical)
- United Artists Corporation (1967) (UK) (theatrical) (dubbed)
- United Artists (1967) (USA) (theatrical) (dubbed)
- United Artists (1969) (USA) (VHS) (re-release)
- American Broadcasting Company (ABC) (1974) (USA) (TV)
- United Artists Films (1984) (Finland) (theatrical)
- MGM/UA Home Entertainment (1991) (USA) (video) (laserdisc)
- Astro Distribution (1994) (Germany) (video) (laserdisc)
- MGM Home Entertainment (1998) (USA) (DVD)
- 20th Century Fox Home Entertainment (2007) (USA) (DVD)
- Twentieth Century Fox Home Entertainment (2000) (Netherlands) (VHS)
- MGM Home Entertainment (Europe) (2001) (UK) (DVD)
- Divisa Home Video (2002) (Spain) (DVD)
- Twentieth Century Fox Home Entertainment (2002) (Netherlands) (DVD)
- FS Film Oy (2005) (Finland) (DVD)
- Paramount Home Entertainment (2005) (Germany) (DVD)
- MGM Home Entertainment (2007) (USA) (DVD)
- Divisa Home Video (2008) (Spain) (DVD)
- Chapel Distribution (2003) (Australia) (theatrical) (re-release)
- United Artists (1966) (Argentina) (theatrical)
- 20th Century Fox Home Entertainment (Brazil) (DVD)
- MGM Home Entertainment (2007) (Canada) (DVD)
- MGM/UA Home Entertainment (USA) (VHS)
- Mondo Home Entertainment (2007) (Italy) (DVD)
- Regia-Arturo González Rodríguez (Spain) (all media)
- Svensk Filmindustri (SF) (2005) (Sweden) (DVD)
- Svensk Filmindustri (SF) (2009) (Sweden) (DVD)
- Universum Film (UFA) (2013) (Germany) (DVD)
- Warner Home Vídeo (Brazil) (VHS)
Other Companies
- Andrea Leone Films (thanks) (DVD version)
- Borja (footwear) (uncredited)
- Cornejo (costumes) (uncredited)
- Eureka Edizioni Musicali (publishers)
- Luna (props) (uncredited)
- Mateos (props) (uncredited)
- Mengíbar (props) (uncredited)
- RCA Italiana Studios International Recording (recorded at)
- Vázquez Hermanos (props) (uncredited)
