Bud Abbott, Lou Costello, Alan Curtis, Rita Johnson, Henry Travers, Lois Collier, Joe Sawyer, Joe Kirk, Bill Alcorn, Audley Anderson, Jack Barbee, Suzanne Lee Bastian, Edward Biby, Gladys Blake, Milt Bronson
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.