In the third film in the popular series, "The Three from Garbage Disposal" have to embark on an unusual "Mission to the Future". A 16-year-old environmental activist is sentenced to a one-week student internship with "Captain" Werner Träsch.
| Actor | Role |
|---|---|
 Uwe OchsenknechtWerner "Käpt'n" Träsch | Werner "Käpt'n" Träsch |
 Aram AramiTarik Büyüktürk | Tarik Büyüktürk |
 Jörn HentschelRalle Schieber | Ralle Schieber |
 Rainer StreckerRüdiger Dorn | Rüdiger Dorn |
 Adelheid KleineidamGabi Hertz | Gabi Hertz |
 Laura Louisa GardeAnnika Träsch | Annika Träsch |
 Özay FechtNazan | Nazan |
 Ben LitwinschuhDennis Kruse | Dennis Kruse |
 Bülent SharifMr. Ercan | Mr. Ercan |
 Claudia MehnertFranziska Kruse | Franziska Kruse |