Quiz

Though frequently shown on television throughout the 1970s, the film disappeared from circulation for nearly thirty years, one of very few Columbia star vehicles the studio neglected to release on Betamax, VHS or laserdisc. There was no legal wrangle at the core of this; the film simply fell out of favor and was largely forgotten. In recent years, the movie has returned to circulation, enjoying multiple releases on DVD and Blu-ray.

During a conversation with his landlady Kim Novak, Jack Lemmon asks her, "Do you know 'My Funny Valentine'?" In Pal Joey (1957), Novak's character Linda English performs the song "My Funny Valentine" during the rehearsals prior to Joey's night club's opening.

A reunion for Jack Lemmon and Kim Novak, who had played brother and sister four years earlier in Una strega in paradiso (1958) and potential lovers eight years earlier in Phffft... e l'amore si sgonfia (1954). Lemmon's role in the former was one of many supporting parts he had played in the 1950s. By the time of this film, he had become a full-fledged leading man, with back-to-back Oscar nominations for A qualcuno piace caldo (1959) and L'appartamento (1960). Lemmon would be nominated again, the year this film was released, for his searing dramatic performance in I giorni del vino e delle rose (1962).

Larry Gelbart's film writing debut.

Director Richard Quine, who got his start as a performer in movie musicals, makes clever use of Fred Astaire's legendary, distinctive walk by having Astaire stride directly toward the camera every time the scene shifts to the embassy.