Tobias Schenke , Axel Stein, Rebecca von Mitzlaff, Tom Lass and Nicky Kantor are the only Actors who Reprise their roles.
Granz Henman (Director) later casts Andrea Sawatzki for Help, I Shrunk My Friends. This Movie also stars Axel Stein. Andrea Sawatzki plays Tante Zelda in Harte Jungs.
Rebecca von Mitzlaff also played the small role of Silke in Harte Jungs, but was uncredited. In the second Part, she Plays one of the main parts.
Luise Helm who Plays the Girlfriend from Flo in Harte Jungs was never mentioned.
Axel Stein (Red Bull) wants to look a Porn movie called Wanda treibt's mit Wuppertal. Later she turned as his fictional sister into Wanda from Wuppertal.