Paul Walker was known for Grausige Nächte (1921), Der große Wurf (1922), Das kalte Herz (1924) and Rumpelstilzchen (1940). In 1939, along with a group of over 70 little people, he traveled to the USA under the name of Paul Wolka to appear in Morris Gest's Little Miracle Town at the New York World's Fair. His daughter Charlotte was also a little person who took part in the show.