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.

Eugeniusz Bodo
as Paweł Gawlicki

Adolf Dymsza
as Gaweł Pawlicki

Helena Grossówna
as Violetta Bellami

Józef Orwid
as Hubert, impresario

Ludwik Sempoliński
as Gigolo

Tadeusz Fijewski
as Stefek

Halina Doree
as Anielcia

Karol Dorwski
as Reporter

Halina Łapińska
as Paulina, Violetta's dresser

Zofia Mellerowicz
as Landlady