A documentary about the underground singer-songwriter Tobias Gruben, his upbringing and his musical career, featuring past live perfomances by himself and cover versions of his songs by contemporary artists.
| Actor | Role |
|---|---|
| TTobias GrubenSelf (archive footage) | Self (archive footage) |
| IImogen GrubenSelf | Self |
| SSebastian GrubenSelf - Voice | Self - Voice |
| FFlorian LangmaackSelf | Self |
| HHeidrun TuchenhagenSelf - Voice | Self - Voice |
| HHorst PetersenSelf | Self |
| FFelix HuberSelf | Self |
| TTobias LevinSelf | Self |
| AAlfred HilsbergSelf | Self |
| PPeter SempelSelf | Self |
 FM EinheitSelf | Self |
 Rocko SchamoniSelf | Self |
| HHenrik OtrembaSelf | Self |
| PPaul PötschSelf | Self |
| TTimm VölkerSelf | Self |
| FFee KürtenSelf | Self |
 Tom SchillingSelf | Self |
 Gustav Peter WöhlerSelf - Voice | Self - Voice |
 Robert StadloberSelf - Voice | Self - Voice |
 Nick CaveSelf (archive footage) | Self (archive footage) |