A short, "Autumn in Rome," was supervised by Selznick as a prologue to "Indiscretions" to supplement the feature's brief 63 minute running time.
According to Judith M. Kass in 'The Films of Montgomery Clift', Jennifer Jones developed a crush on Montgomery Clift, but when she found out that he was not inclined toward women, "she reportedly became so overwrought that she stuffed a mink jacket down the toilet of a portable dressing room."
Because De Sica could not understand English, he hired an Italian actor, gave him instructions on how to stand and speak, and asked Montgomery Clift to mimic him. Clift refused.
Film debut of Richard Beymer,
In the Italian version of the film, Jennifer Jones is dubbed by Lidia Simoneschi, Montgomery Clift by Giulio Panicali and young Richard Beymer by Corrado Pani.
Marlon Brando, Louis Jourdan, and Richard Burton were all considered for the Montgomery Clift role.