Hazy Osterwald was born on February 18, 1922 in Berne, Switzerland as Rolf Erich Osterwalder. He was an actor and composer, known for Wenn Sechse eine Reise tun (1959), Das Hazy-Osterwald-Sextett - Eine Geschichte in Dur und Moll (1970) and Nur Musik... (1963). He was married to Eleonore Mathilde Schmid, Emma Damia and Käthe Marga Maschetzke.