The documentary tells the life story of the boxer Norbert Grupe, who was known by his fighting name Prince of Homburg.
| Actor | Role |
|---|---|
 Wilhelm von HomburgSelf | Self |
| JJürgen BlinSelf | Self |
| MMaria EstebanSelf | Self |
| HHans HaefkeSelf | Self |
| SStephan HenschelSelf | Self |
 Werner HerzogSelf | Self |