Marko Stemper, 19 years old, comes from a disadvantaged background and works as a window cleaner. His father, an alcoholic, tyrannizes the whole family, so Marko's only joy in life is boxing. As he is the most promising talent in his club, Gerd Hermsbach, a local demimonde boss, offers him the opportunity to become a professional. Marko accepts, but has to pay a high price...
| Actor | Role |
|---|---|
 Daniel BrühlMarko Stemper | Marko Stemper |
 Manfred ZapatkaGerd Hermsbach | Gerd Hermsbach |
 Jochen NickelAxel Stemper | Axel Stemper |
 Angelika BartschRenate Stemper | Renate Stemper |
 Erhan EmreBülent | Bülent |
 Thierry van WervekeKopella | Kopella |
| JJana ThiesSara | Sara |
 Luana BellinghausenVerena Stemper | Verena Stemper |
| AAli ÇakırAli | Ali |
| MMircea KrishanNessel | Nessel |
 Sebastian SchipperBaerwald | Baerwald |
 Hilmi SözerCem | Cem |
 Christian TascheBarkeeper Rolf | Barkeeper Rolf |
| DDavid HalinaDisco Dancer | Disco Dancer |