Profesor Wilczur is a 1938 Polish romantic drama film directed by Michał Waszyński. It is based on the novel by Tadeusz Dolega-Mostowicz.
Two neighbours with similar names, Paweł and Gaweł, meet a violinist girl Violetta who pretends to be a child. When Paweł learns she's not a child anymore, he falls in love with her. And vice versa.
Bolek i Lolek
Polish comedian Adolf Dymsza cross-dressing and masquerading as a woman in order to gain the confidence of his sweetheart's domineering guardian.