The Firefly (1937) Facts
| Director(s) | Robert Z. Leonard |
| Producer(s) | Robert Z. Leonard, Hunt Stromberg |
| Featured Cast | Jeanette MacDonald, Allan Jones, Warren William, Billy Gilbert, Douglass Dumbrille |
| Total Facts | 1 |
The song "Donkey Serenade" was not in the original stage production. It was written for the film, but the music was adapted from the song "Chansonette", from the stage version of "The Firefly".