Daws Butler, the voice actor for Hanna-Barbera cartoon characters, patterned the voice of the lion Snagglepuss after Bert Lahr, who played the Cowardly Lion in The Wizard of Oz (1939). Butler took Snagglepuss's catchphrase "Heavens to Mergatroid" from Lahr's having said it in this movie.
Dick Powell's last musical. His next picture, Murder, My Sweet (1944), would forever change his image - going from a crooner to a film noir tough guy. It was one of the most drastic breakouts from typecasting in film history.
This movie was shown overseas to servicemen using 16mm prints starting in March, 1944 before it was released in the United States.