Trivia

Dolores Hart left Hollywood a few years after this movie was released and became a Benedictine nun; she has been a Mother Superior for many years. As a member in good standing of the Academy of Motion Picture Arts and Sciences, she is the only nun who votes for the Oscars.

Paula Prentiss signed a seven-year contract with MGM in 1960 when she was cast in this movie. She was living with boyfriend actor Richard Benjamin at the time, which was taboo in those days, and the studio didn't want her traveling on promotion junkets with a man who wasn't her spouse. So they asked the two to wed, though not before milking the wedding for publicity. Prentiss had to make long-distance calls to gossip columnists Hedda Hopper and Louella Parsons just before the ceremony, according to People. They were married by a New York judge on Oct. 26, 1961. They are still together as of 2022.

Film debuts of Paula Prentiss and Connie Francis.

The title song, sung by Connie Francis, reached #4 on the pop charts.

One of five movies in the early-1960s that featured both Jim Hutton and Paula Prentiss. The five movies were Where the Boys Are (1960), Bachelor in Paradise (1961), The Honeymoon Machine (1961), The Horizontal Lieutenant (1962), Looking for Love (1964). They were a romantic couple in all except for the last one.