Househusband Heinz lives with his two brothers Otto and Eduard. When Heinz wins a luxury cruise in a pop song contest, Otto and Eduard don't want to stay at home. The two decide to secretly go along as stowaways...
| Actor | Role |
|---|---|
 Heinz ErhardtHeinz, Otto und Eduard Bollmann | Heinz, Otto und Eduard Bollmann |
 Ann SmyrnerRita | Rita |
 Ingrid van BergenDiana | Diana |
 Trude HerrLady Zocker | Lady Zocker |
 Peter CarstenFred Larsen | Fred Larsen |
 Günter PfitzmannMac | Mac |
 Paul DahlkeEmilio | Emilio |
| PPaul KuhnHimself | Himself |
 Paul WestermeierKapitän | Kapitän |
| BBilly MoBobo | Bobo |
 Ralf WolterFriseur | Friseur |
 Günther JerschkeReinwald | Reinwald |
 Günther UngeheuerKellner | Kellner |
 Kathrin AckermannNot listed | Not listed |
| MMax GieseNot listed | Not listed |
| KKlaus HellmoldNot listed | Not listed |