Though Nanette is portrayed as being a young girl/woman in dress, manner, and other characters' references to her (example: her uncle refers to her as his "little niece" on the phone), Anna Neagle, who plays Nanette, was somewhere around 36 years old during the making of this film.
Mr. 'Happy' Jimmy Smith:
Pauline, what's this?
Mr. 'Happy' Jimmy Smith: Well, I know that but...
Pauline: We've already had our allowance for the month.
Mr. 'Happy' Jimmy Smith: You mean...?
Pauline: Not another slice until Wednesday.
When Jimmy Smith boards the plane to Reno, he tells the stewardess his destination is the Virgin Islands. She tells him he will need to change planes in Los Angeles. Apparently the writer thought the Virgin Islands are in the Pacific.
The credits appear printed on stage curtains. As the title appears, Anna Neagle comes out from behind the curtain, sits to the left of the stage and sings the title song, while different curtains are rolled out, each containing new credits.