Fritz Diez was born on 27 February 1901 in Meiningen, Germany. He was an actor, known for Já, spravedlnost (1968), Ernst Thälmann - Führer seiner Klasse (1955) and Die gefrorenen Blitze (1967). He was married to Martha Beschort-Diez. He died on 19 October 1979 in Weimar, German Democratic Republic.