Renate Müller plays the daughter of Paul Hörbiger's character, even though the actors are only 12 years apart in age.
Paul Hörbiger plays Joseph Lanner, the real-life friend and rival of Anton Walbrook's Johann Strauss. Hörbiger would later play Strauss in Immortal Waltz (1939), while Walbrook played Strauss again in Vienna Waltzes (1951).