- Howard R. Schuster
- American Allied Pictures
- Ceskoslovenský Filmexport
- (made in Czechoslovakia in collaboration with)
- Filmové studio Barrandov
- (Barrandov Studios, Prague, made in Czechoslovakia in collaborastion with)
- Major Studio Partners
- (financed by)
- Warner Bros.
- (United States, 1975)(Warner Bros. A Warner Communications Company, theatrical)
- Columbia-Warner Distributors
- (United Kingdom, 1976)(theatrical)
- Warner-Columbia Film
- (Sweden, 1976)(theatrical)
- Warner Bros.
- (Norway, 1976)(theatrical)
- Warner Bros.
- (Netherlands, 1976)(theatrical)
- ARP Synthesisers
- (A.R.P. Synthesiser, music performed on)
- Dukeslodge Enterprises
- (music soundtrack produced for)
- Panavision
- (Panavision®, cameras)
- Panavision
- (Panavision®, lenses)
- Persky-Bright / Vista
- (Vista Company/Persky Bright, production services)
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