 He became a United States citizen under the name of Jacob Gero ([a]ka Szőke Szakáll)

The actor became a star of the Hungarian stage and screen in the 1910s and 1920s.At the beginning of the 1920s, he moved to Vienna, where he appeared in Hermann Leopoldi's "Kabarett Leopoldi-Wiesenthal".In the 1930s, he was, next to Hans Moser, the most significant representative of the "Wiener Film", the Viennese light romantic comedy genre.