Company Credits
Production Companies
- Hammer Film Productions (as A Hammer Film Production)
Distributors
- Columbia Pictures Corporation (1964) (UK) (theatrical)
- Columbia-Bavaria Filmgesellschaft m.b.H. (1964) (West Germany) (theatrical)
- Columbia Pictures (1965) (USA) (theatrical)
- RCA/Columbia Pictures Home Video (1985) (USA) (VHS)
- Sony Pictures Home Entertainment (2008) (USA) (DVD) (Included in "Hammer Films Icons of Horror Collection")
- Sony Pictures Home Entertainment (2009) (Germany) (DVD)
- GoodTimes Home Video (video)
- Image Entertainment (all media) (laserdisc)
- RCA/Columbia Pictures Home Video (USA) (VHS)
