Company Credits
Production Companies
- APJAC Productions (produced by) (as APJAC PRODUCTIONS, INC.)
- Twentieth Century Fox Film Corporation (uncredited)
Distributors
- Twentieth Century Fox Film Corporation (1968) (USA) (theatrical) (released by) (as Twentieth Century - Fox Film Corporation)
- 20th Century Fox (1968) (France) (theatrical)
- Columbia Broadcasting System (CBS) (1973) (USA) (TV) (pan/scan)
- Magnetic Video (USA) (VHS)
- CBS/Fox (1985) (USA) (VHS)
- Playhouse Home Video (1985) (USA) (VHS)
- Twentieth Century Fox Home Entertainment (Netherlands) (VHS)
- 20th Century Fox Home Entertainment (Brazil) (VHS)
- 20th Century Fox Home Entertainment (USA) (video) (laserdisc)
- CBS/Fox (USA) (video) (laserdisc)
- 20th Century Fox Home Entertainment (Brazil) (DVD)
- Twentieth Century Fox Home Entertainment (2005) (Netherlands) (DVD)
- Centfox (1968) (West Germany) (theatrical)
- Fox Films (1968) (Argentina) (theatrical)
- Fox Films (1968) (Finland) (theatrical)
- 20th Century Fox Home Entertainment (2008) (USA) (Blu-ray) (DVD) (40th Anniversary Edition)
- CBS / Fox Video (1989) (Greece) (VHS)
- CBS/Fox (1988) (Argentina) (VHS)
- FS Film Oy (2001) (Finland) (DVD) (6-disc edition)
- FS Film Oy (2001) (Finland) (DVD) (1-disc edition)
- Mainostelevisio (MTV3) (1985) (Finland) (TV)
- Nelonen (1997) (Finland) (TV)
- Twentieth Century Fox Home Entertainment (2004) (USA) (DVD)
- Yleisradio (YLE) (1991) (Finland) (TV)
Other Companies
- Chapman/Leonard Studio Equipment (camera cranes) (uncredited)
- Chapman/Leonard Studio Equipment (camera dollies) (uncredited)
- IVC (post-production facilities) (digital intermediate) (uncredited)
- National Park Service, United States Department of the Interior (the producers express their appreciation to for its cooperation in the production of this motion picture) (as the National Park Service, United States Department of the Interior)
