With the outbreak of World War II he did not took part in other movies because he was not allowed to work in Germany as a Jew. He emigrated to England and only returned to Germany after the war.
In 1950 he had a brief comeback with "Es liegt was in der Luft" (1950), five years later followed his last movie "Der letzte Mann" (1955).
The actor Willy Stettner made his film debut already in 1921. After a longer interruption he continued his film career in 1930.