For six young men, who could hardly be more different from one another, the fan club of the Eintracht Braunschweig football club is the center of their life and their friendship. 66/67 is the name of their club as well as the year in which Eintracht Braunschweig won the German Championship.
| Actor | Role |
|---|---|
 Fabian HinrichsFlorian | Florian |
 Christoph BachOtto | Otto |
 Melika ForoutanÖzlem | Özlem |
| CChristian AhlersChristian | Christian |
 Maxim MehmetHenning | Henning |
 Fahri YardımTamer | Tamer |
 Aurel MantheiMischa | Mischa |
 Marc ZwinzZwinso | Zwinso |
| VVictoria DeutschmannMareille | Mareille |
 Bernhard SchützBernhard | Bernhard |
 Philipp BaltusMann im Fahrstuhl | Mann im Fahrstuhl |
 Burak YiğitSinan | Sinan |
 Godehard GieseTüp | Tüp |
 Gitta SchweighöferHennings Mutter | Hennings Mutter |
| JJohannes LangWOBer | WOBer |
 Sinan AkdenizDealer | Dealer |
| SStefan LindstedtStadionsprecher | Stadionsprecher |
| SSigo HeinischMueller | Mueller |
| DDogan AgkünAhmeds Vater | Ahmeds Vater |
| TTillmann van HeesT-Rex | T-Rex |
| JJon HandschinGalan | Galan |
| TTobias BauckhageKollege | Kollege |
| KKatinka HärteSzenegirl | Szenegirl |
| CCorinna PehrsFreundin | Freundin |
| TThorsten LehnertWachmann | Wachmann |
| HHenri BauckhageKind | Kind |
| LLars SeidenkranzStadionordner | Stadionordner |
| KKay HögnStadionordner | Stadionordner |
| AAndreas WulsdorfStadionordner | Stadionordner |
| LLena WolffBarkeeperin | Barkeeperin |