Trivia / Sex and the Single Girl

• Creator Backlash: Henry Fonda said that of all of the movies he'd made, he liked this one the least.
• Hey, It's That Place!: The golf course where Henry Fonda and Tony Curtis are seen playing about 40 minutes into the film was also used as a location that same year for the final screen pairing of Doris Day and Rock Hudson, Send Me No Flowers.
• Those Two Actors:
  • It's the second out of three films to star both Tony Curtis and Natalie Wood after 1958's Kings Go Forth and before 1965's The Great Race.
  • It's also one out of six Curtis did with actor Larry Storch, along with Who Was That Lady? (1960), 40 Pounds of Trouble (1962), Captain Newman, M.D. (1963), Wild and Wonderful (1964) and The Great Race again (also with Wood).
• What Could Have Been:
  • Following Audrey Hepburn's success in My Fair Lady, Warner Bros. reportedly tried to sign her to a multi-picture deal that would have included the starring role in this film. She refused, although they still got her husband Mel Ferrer to play in it.
  • Suzanne Pleshette was also considered to play the lead role.
  • Diane McBain was originally announced for role of a female magazine editor that apparently was written out of the final script.

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