According to his last will, the rich American uncle of vacuum cleaner salesman Peter Pett only leaves his 5 million dollars to Peter if he is married happily. Otherwise the five million will fall to Peter's Scottish cousin Patrick.
| Actor | Role |
|---|---|
 Heinz RühmannPeter Pett / Patrick Pett | Peter Pett / Patrick Pett |
 Leny MarenbachMabel | Mabel |
 Vera von LangenHix | Hix |
 Oskar SimaBlubberboom | Blubberboom |
 Albert FlorathMillionär Bucklespring | Millionär Bucklespring |
 Valy ArnheimMillionär Harris | Millionär Harris |
 Olga LimburgVorstandsmitglied | Vorstandsmitglied |
 Anton PointnerHotelportier | Hotelportier |
 Hermann PfeifferOnkel Jim | Onkel Jim |
 Heinz SalfnerGould | Gould |
| BBayume Mohamed HusenLiftboy | Liftboy |