Company Credits
Production Companies
- Columbia Pictures Corporation (presents) (as Columbia Pictures)
- Ross Hunter Productions
Distributors
- Columbia Pictures (1973) (USA) (theatrical)
- National Broadcasting Company (NBC) (1975) (USA) (TV) (original airing)
- Columbia TriStar (Brazil) (VHS)
- Pioneer Entertainment (all media) (laserdisc)
- Sony Pictures Home Entertainment (2011) (USA) (DVD) (dvdr)
- Warner Home Video (2011) (USA) (DVD) (dvdr)
Special Effects
- Butler-Glouner (special photo effects)
Other Companies
- Edit International (sound effects editing) (as Edit-International Ltd.)
- Lute Jerstad Adventures (climbing sequences supervised by)
- Tallmantz Aviation (aerial sequences)
- U.S. Department of Agriculture, Forest Service (we thank for their cooperation and permission to photograph in Mt. Hood National Forest) (as The U.S. Department of Agriculture and its Forest Service)
- U.S. Department of the Interior National Park Service (we thank for their cooperation and permission to photograph in The North Cascades National Park) (as The U.S. Department of the Interior and its National Park Service)
