Career
Weidemann joined the Nazi party in 1927. Weidemann directed Festliches Nürnberg (English: Festive Nuremberg), a short 1937 propaganda film chronicling the Nazi Party rallies in Nuremberg in 1936 and 1937. Weidemann co-wrote and produced Attack on Baku (German: Anschlag auf Baku), 1942 German thriller film directed by Fritz Kirchhoff.