- Motion Pictures International
- (Motion Pictures International, Inc. also, presents, in association with also)
- Kent Productions
- (Kent Productions, Inc., A Production of)
- Warner Bros. Television
- (uncredited)
- Anglo-EMI Film Distributors
- (United Kingdom, 1971)(theatrical)
- MGM-EMI
- (United Kingdom, 1971)(theatrical)
- Warner Bros.
- (Australia, 1971)(theatrical)
- Warner Bros.
- (United States, 1971)(Warner Bros. Pictures A Warner Communications Company, theatrical)
- National Broadcasting Company (NBC)
- (United States, 1971)(original airing, TV)
- Alliance of Motion Picture & Television Producers (AMPTP)
- (AMPTP, acknowledgement)
- 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.)
- Raak Architectural Lighting
- (special lighting fixtures furnished by)
- Xerox Data Systems
- (data processing equipment furnished by)
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