- Twentieth Century Fox
- (Twentieth Century-Fox, presents, produced by)
- Twentieth Century Fox
- (United States, 1962)(Twentieth Century-Fox Film Corporation, released by, theatrical)
- Centfox
- (West Germany, 1962)(theatrical)
- Twentieth Century Fox Film Company
- (United Kingdom, 1962)(theatrical)
- 20th Century Fox
- (Italy, 1963)(theatrical)
- Fox Films
- (Finland, 1963)(theatrical)
- All Organizations and Persons in Greece
- (all organizations and persons in Greece, the producers acknowledge their gratitude to, whose whole-hearted cooperation made this project possible)
- American International Video Search Inc.
- (video, uncredited)
- Casa d'Arte di Firenze
- (Peruzzi's Casa D'Arte di Firenze, costumes made by)
- Greek Government
- (the Greek Government, the producers acknowledge their gratitude to, whose whole-hearted cooperation made this project possible)
- 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.)
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