Supported avidly by his mother and more reluctantly at first by his father, a working-class Austrian boy joins the Vienna Choirboys, where he proves to be unusually talented.
| Actor | Role |
|---|---|
| VVincent WinterToni Fiala | Toni Fiala |
 Sean ScullyPeter Schaefer | Peter Schaefer |
 Peter WeckMax Heller | Max Heller |
 Hans HoltDirector Eisinger | Director Eisinger |
 Bruni LöbelMother Fiala | Mother Fiala |
 Fritz EckhardtFather Fiala | Father Fiala |
 Gunther PhilippRadio Announcer | Radio Announcer |
| DDenis GilmoreFriedel Schmidt | Friedel Schmidt |
| HHennie ScottFerdie | Ferdie |
| HHermann FurthmosekChoirmaster | Choirmaster |
| HHans ChristianChoirmaster | Choirmaster |
| WWalter RegelsbergerChoirmaster | Choirmaster |
| WWiener SängerknabenThemselves | Themselves |