- Columbia Pictures
- (presents)
- Ross Hunter Productions
- (A Ross Hunter Production)
- Columbia Pictures
- (United States, 1973)(theatrical)
- Columbia-Warner Distributors
- (United Kingdom, 1973)(theatrical)
- Columbia Pictures
- (Australia, 1973)(theatrical)
- Damaskinos-Mihailidis (DM) [gr]
- (Greece, 1973)(theatrical)
- Warner Bros.
- (Norway, 1973)(theatrical)
- Butler-Glouner
- (Butler-Glouner, Inc., special photo effects)
- Edit International
- (Edit-International, Ltd., sound effects editing)
- International Alliance of Theatrical Stage Employees (IATSE)
- (I.A.T.S.E., this picture made under the jurisdiction of: affiliated with A.F.L.-C.I.O.)
- Lute Jerstad Adventures
- (climbing sequences supervised by)
- Tallmantz Aviation
- (aerial sequences)
- U.S. Department of Agriculture - National Forest Service
- (The U.S. Department Of Agriculture and its Forest Service, we thank for their cooperation and permission to photograph in Mt. Hood National Forest)
- U.S. Department of the Interior National Park Service
- (The U.S. Department Of The Interior and its National Park Service, we thank for their cooperation and permission to photograph in The North Cascades National Park)
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