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.

• Universal Pictures
• Bud Abbott
• Lou Costello
• Alan Curtis
• Rita Johnson
• Henry Travers
• Lois Collier
• Joe Sawyer
• Joe Kirk