Trailer
 | Beniamino Gigli as Enzo Curti - tenor Scala of Milano |
 | Peter Bosse as Benvenuto - His son |
 | Magda Schneider as Liselotte Heßfeld |
 | Siegfried Schürenberg as Hellmut von Ahrens |
 | Kurt Vespermann as Ernst Mülmann |
 | Erik Ode as Peter Petermann, Dritter Offizier |
 | F. W. Schröder-Schrom as Geheimrat von Berneck |
 | Hedda Björnson as Irene Hart |
 | Zoya Valevskaya as Olga |
| Karl Harbacher |
 | Erich Dunskus |
| Ilse Fürstenberg |
| Johanna Ewald |
| Kurt Getke |
| Fee Scholz |
| Wera Schultz |
| Directing | |
| Augusto Genina | Director |
Writing | |
| Ernst Marischka | Writer |
Production | |
| Alberto Giacalone | Executive Producer |
Sound | |
| Alois Melichar | Original Music Composer |
Camera | |
| Herbert Körner | Director of Photography |
| Bruno Timm | Director of Photography |
Editing | |
| Carl Otto Bartning | Editor |
Art | |
| Fritz Maurischat | Production Design |
| Karl Weber | Production Design |
| Fritz Maurischat | Art Direction |
| Karl Weber | Art Direction |
Directing | |
| Toni Huppertz | Assistant Director |
| Ernesto Remani | Assistant Director |
Sound | |
| Hans Ruetten | Sound |
