The young son of a sports journalist helps his out-of-town father out of a jam by getting into the hotel room of a famous boxer and conducting a sensational star interview with him.
| Actor | Role |
|---|---|
| BBurkhard RönnefarthOtto Paletti Jr. | Otto Paletti Jr. |
 Manfred KrugFather Paletti | Father Paletti |
 Ben BeckerHarry Brummer | Harry Brummer |
| BBarbara CzerwinskiMrs. Flieder | Mrs. Flieder |
 Günther KaufmannBilly Baxter | Billy Baxter |
 Hans Helmut DickowKriechwurz | Kriechwurz |
| JJürgen SteinhäuserDoctor Eisbein | Doctor Eisbein |
 Kurt SchmidtchenFormer European champion | Former European champion |
| UUwe HackerFormer European champion | Former European champion |
 Tilly LauensteinWoman with hat | Woman with hat |
| MMonty St. ClaireFat man | Fat man |
| CCarlo KleberBarkeeper | Barkeeper |