Das Land des Lächelns
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. He would only make one more film, 1930's unsuccessful "Tingel-Tangel". After failing to garner any more film roles because of his speech impediment, he tried to revive his career by touring German theatres and permitting female members of the audience to get onstage and have their photograph taken with their past idol.