Horst Schlämmer is back—and he's fed up. People all over Germany are in a bad mood. So he leaves Grevenbroich and sets off in search of happiness. It must be somewhere!
| Actor | Role |
|---|---|
 Hape KerkelingHorst Schlämmer | Horst Schlämmer |
 Tahnee SchaffarczykGabi Wampel | Gabi Wampel |
 Meltem KaptanMandy | Mandy |
| LLaura ThomasAnna | Anna |
 Jördis TriebelRoswitha | Roswitha |
 Norbert HeisterkampGünni | Günni |
 Eva HabermannGesine Breitenbach | Gesine Breitenbach |
 Kerstin ThielemannMrs. Schlonzbach | Mrs. Schlonzbach |
 Christian HockenbrinkDr. Carstens | Dr. Carstens |
 Patrick JoswigWolle | Wolle |
 Ulrich BähnkCaptain | Captain |
| SSamuel UrbanSittich | Sittich |
 Peter TrabnerRudi | Rudi |
| DDagmar SachseBakery Clerk | Bakery Clerk |
 Jürgen HaugSenior | Senior |
 Jochen BusseJochen Busse | Jochen Busse |
 Vito SackDrug Dealer | Drug Dealer |
 Victoria FleerCostumer | Costumer |
 Christian RudolfGrimmo | Grimmo |
 Ann-Cathrin SudhoffEvent Manager | Event Manager |
 Torsten HammannTruck Driver | Truck Driver |
 Akeem van FlodropMothobi | Mothobi |
 Henrike FehrsParty Guest | Party Guest |
| PPegan van PeltNot listed | Not listed |
 Markus SöderMinisterpräsident Markus Söder | Ministerpräsident Markus Söder |
| RRainer Maria WoelkiRainer Maria Woelki | Rainer Maria Woelki |
 Franziska MüllerJoy Johnson | Joy Johnson |