- Hal Wallis Productions
- (A Hal Wallis Production)
- Polyphony Digital
- (presents)
- Universal Pictures
- (United States, 1975)(theatrical)
- Cinema International Corporation (CIC)
- (United Kingdom, 1975)(theatrical)
- Cinema International Corporation (CIC)
- (Norway, 1975)(theatrical)
- Cinema International Corporation (CIC)
- (Sweden, 1975)(theatrical)
- Cinema International Corporation (CIC)
- (Argentina, 1976)(theatrical)
- Cinematique
- (cosmetics by)
- Department of the Interior, Bureau of Land Management
- (the U.S. Department of the Interior Bureau of Land Management, with deep appreciation to)
- Hollywood Studio Symphony
- (music performed by)
- Polyphony Digital
- (archive, uncredited)
- United States Forest Service
- (the U.S. Department of Agriculture United States Forest Service, with deep appreciation to)
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