Theo Siegmund was born on October 26, 1861 in Brünn, Moravia, Austria-Hungary [now Brno, Czech Republic]. He was an actor, known for
Der siebente Tag (1920),
Soll und Haben (1924) and
Die wunderlichen Geschichten des Theodor Huber (1924). He died on February 22, 1929 in Berlin, Germany.