Ma and Pa, along with daughter Rosie, go off to Hawaii in answer to cousin Rodney's call for help running his pineapple farm while he recovers from an illness. Pa soon causes a major explosion and gets himself kidnapped.
| Actor | Role |
|---|---|
 Marjorie MainMa' Kettle | Ma' Kettle |
 Percy KilbridePa Kettle | Pa Kettle |
 Lori NelsonRosie Kettle | Rosie Kettle |
 Byron PalmerBob Baxter | Bob Baxter |
 Russell JohnsonEddie Nelson | Eddie Nelson |
 Hilo HattieMama Lotus | Mama Lotus |
 Loring SmithRodney Kettle | Rodney Kettle |
 Lowell GilmoreRobert Coates | Robert Coates |
 Mabel AlbertsonTeresa Andrews | Teresa Andrews |
 Fay RoopeFulton Andrews | Fulton Andrews |
 Oliver BlakeGeoduck | Geoduck |
 Teddy HartCrowbar | Crowbar |
 Esther DaleBirdie Hicks | Birdie Hicks |
| CClaudette ThorntonRodney Kettle's Secretary | Rodney Kettle's Secretary |
| JJackie JacksonHenry Kettle | Henry Kettle |
 Ezelle PouleParty Guest | Party Guest |
| DDee CarrollSecretary (uncredited) | Secretary (uncredited) |