Company Credits

Production Companies

• Hammer Films (as Hammer Film Production)
• Toho Company

Distributors

• Warner-Pathé Distributors (1967) (UK) (theatrical)
• 20th Century Fox (1968) (France) (theatrical)
• 20th Century Fox (1968) (Italy) (theatrical)
• Dear Film (1968) (Italy) (theatrical) (co-distribution)
• Hispano Foxfilms S.A.E. (1968) (Spain) (theatrical)
• Twentieth Century Fox (1968) (USA) (theatrical) (as Twentieth Century-Fox Film Corporation)
• 20th Century Fox Argentina (1972) (Argentina) (theatrical)
• CBS (1972) (USA) (TV)
• Anchor Bay Entertainment (1997) (USA) (DVD)
• Anchor Bay Entertainment (1997) (USA) (VHS) (widescreen) (for Video Treasures)
• Warner Home Video (1999) (UK) (VHS)
• Warner Home Video (2004) (UK) (DVD)
• Optimum Home Entertainment (2006) (UK) (DVD)
• Centfox (1968) (West Germany) (theatrical)
• Elite Entertainment (1998) (USA) (video) (laserdisc)
• Encore Entertainment (1995) (UK) (video) (laserdisc) (Hammer Collection box set)
• Mainostelevisio (MTV3) (2005) (Finland) (TV)
• Scream Factory (2019) (USA) (Blu-ray)
• StudioCanal (2010) (UK) (DVD)
• StudioCanal (2011) (UK) (Blu-ray) (DVD)
• Video Treasures (1997) (USA) (VHS) (widescreen)

Special Effects

• Bowie Films (special effects) (as Bowie Films Ltd)

Other Companies

• Metro-Goldwyn-Mayer British Studios (production facilities) (uncredited)