In the gay '90s, cardsharps take over a Mississippi riverboat from a kindly captain. Their first act is to change the showboat into a floating gambling house. A ham actor and his bumbling sidekick try to devise a way to help the captain regain ownership of the vessel.
| Writing | Edmund L. Hartmann | Screenplay |
| Writing | John Grant | Screenplay |
| Directing | Jean Yarbrough | Director |
| Camera | George Robinson | Director of Photography |
| Editing | Arthur Hilton | Editor |
| Costume & Make-Up | Vera West | Costume Design |
| Crew | Felix Adler | Additional Writing |
| Production | Edmund L. Hartmann | Producer |
| Art | Russell A. Gausman | Set Decoration |
| Writing | Edmund Joseph | Screenplay |
| Writing | Hal Fimberg | Screenplay |
| Art | Harold H. MacArthur | Art Direction |
| Art | John B. Goodman | Art Direction |
| Writing | Clyde Bruckman | Writer |
| Production | John Grant | Producer |
| Art | Leigh Smith | Set Decoration |
| Production | Milton Feld | Executive Producer |
| Costume & Make-Up | Jack Pierce | Makeup Artist |
| Sound | Edgar Fairchild | Music Director |
| Sound | Lloyd Akridge | Music |
