The Land of Smiles (1930) — Cast
Cast
| Richard Tauber | Sou |
| Franz Lehár | Himself |
| Mara Loseff | Lisa |
| Bruno Kastner | Gustl |
| Hans Mierendorff | Lisa |
| Margit Suchy | Lisel |
| Georg John | Tschang |
| Max Schreck | Dail 100 |
| Hella Kürty | Mi Biao |
| Willy Stettner | Gustl |
Crew
| Hans Jacoby | Writer |
| Léo Lasko | Writer |
| Erich Lange | Sound |
| Viktor Léon | Story |
| Fritz Löhner-Beda | Writer |
| Geza Pollatschik | Editor |
| Curt J. Braun | Writer |
| Reimar Kuntze | Director of Photography |
| Geza Pollatschik | Sound Editor |
| Max Reichmann | Director |
| Anton Kuh | Writer |
| Ludwig Herzer | Writer |