Siegwart Gruder was born on April 24, 1872 in Lemberg, Galicia, Austria-Hungary [now Lviv, Ukraine]. He was an actor, known for
Der Strohwitwer (1912),
Angelo, das Mysterium des Schlosses Drachenegg (1920) and
Die Prinzessin vom Nil (1920). He died on December 25, 1935 in Vienna, Austria.