Joan Crawford was asked by studio boss Jack L. Warner to play Doris Day's sister in the film, Joan declined saying "Come on, Jack. No one would ever believe that I would have Doris Day for a sister!"
Doris Day's first non-singing role.
The studio wanted Lauren Bacall and Doris Day to star in the film, but Bacall went to Africa with her husband Humphrey Bogart to film The African Queen
This is the only film in which a character played by Doris Day dies.