 Axelrod worked with the original director of the film John Frankenheimer for a period of three months, but Hepburn's agent wanted a more known director with the result being Frankenheimer was off the project.Filming began on Fifth Avenue outside Tiffany & Co. on October 2, 1960.Most of the exteriors were filmed in New York City, and all of the interiors, except for portions of the scene inside Tiffany & Company, were filmed on the Paramount Studios lot in Hollywood.