- Columbia Pictures
- (Columbia Pictures, presents)
- Navarone Productions
- (Navarone Productions Limited)
- American International Pictures (AIP)
- (credited on US prints)
- Mondo Film 78
- (credited on US prints)
- Open Road
- (uncredited)
- Columbia-Warner Distributors
- (United Kingdom, 1978)(through, theatrical)
- Ambassador Film Distributors
- (Canada, 1978)(AIP U.S. Version, theatrical)
- American International Pictures (AIP)
- (United States, 1978)(theatrical)
- Columbia Films S. A.
- (Mexico, 1978)(theatrical)
- Warner Bros.
- (Norway, 1978)(theatrical)
- Chapman/Leonard Studio Equipment
- (dollies, uncredited)
- Delta Sound Services
- (Delta Sound Services Ltd., re-recorded at)
- Jadran Film
- (Jadran Film of Zagreb, the producers of the film acknowledge with gratitude the co-operation of)
- Malta Film Facilities
- (Malta Film Facilities Ltd., the producers of the film acknowledge with gratitude the co-operation of)
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