Ricky Rapper and Nelly Noodlehead leave for the island, where Fanny Rapper works as the resort hostess. At the same time, Uolevi Horsmaniemi arrives with his daughter Wendy, who is little older than Ricky and Nelly. Wendy's arrival confuses the relationship between Ricky and Nelly, as Nelly begins to spend more and more time with Wendy.
| Actor | Role |
|---|---|
| LLauri KajoRisto Räppääjä | Risto Räppääjä |
| VVenni UotilaNelli Nuudelipää | Nelli Nuudelipää |
 Annu ValonenRauha Räppääjä | Rauha Räppääjä |
 Martti SuosaloLennart Lindberg | Lennart Lindberg |
 Olivia AinaliVenla Horsmaniemi | Venla Horsmaniemi |
 Juha MujeUolevi Horsmaniemi | Uolevi Horsmaniemi |
 Ulla TapaninenElvi Räppääjä | Elvi Räppääjä |
| LLotta KuusistoWorkout group leader | Workout group leader |
 Iiro RantalaSinger-keyboardist in twist group | Singer-keyboardist in twist group |
| MMarkus LahtinenBass player in twist group | Bass player in twist group |
 Sami KuoppamäkiDrummer | Drummer |
| YYrjänä SaurosGuitarist | Guitarist |
| PPedro HietanenHarmonica player in a boat | Harmonica player in a boat |
| MMatti KotroBoat's captain | Boat's captain |
| KKuutti SaarinenGolden Amor | Golden Amor |