The onset of sound films proved disastrous to Kastner's career in 1930 upon the release of his first talkie titled Das Land des Lächelns (The Land of Smiles) when filmgoers discovered that he stammered.
The onset of sound films proved disastrous to Kastner's career in 1930 upon the release of his first talkie titled Das Land des Lächelns (The Land of Smiles) when filmgoers discovered that he stammered.