- The first Hollywood film to openly feature lesbianism. By appearing in the movie, Barbara Stanwyck became the first American actress to portray a lesbian character in a feature film.
- During the filming, Capucine objected to filming kissing scenes with Laurence Harvey, feeling that he was not manly enough for her. Harvey reportedly replied, "Perhaps if you were more of a woman, I would be more of a man. Honey, kissing you is like kissing the side of a beer bottle."
- Anne Baxter was pregnant during the filming.
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