Once There Was a Waltz

Once There Was a Waltz () is a 1932 German operetta film directed by Victor Janson and starring Mártha Eggerth, Rolf von Goth and Paul Hörbiger. It premiered in Berlin on 14 April 1932. The film was remade in Britain as "Where Is This Lady?", released the same year.
It was shot at the Tempelhof Studios in Berlin.