Loda Niemirzanka as Ada Dziewanowska

Antoni Fertner as Ada's father

Kazimierz Junosza-Stepowski as Count Orzelski

Aleksander Żabczyński as Fred, count Orzelski's son

Kazimierz Krukowski as Bemol, music teacher

Romuald Gierasieński as Rzepka

Janina Krzymuska as Spitzberg-Fotter, boarding school superordinate

Helena Zarembina as Spitzberg-Fotter, boarding school superordinate

Jadwiga Andrzejewska as Zofia, schoolgirl, Ada's friend

Mira Zimińska as Ira Roletti, prima donna

Stanisław Woliński as Piguła, stage manager

Edmund Zayenda as play beau

Stefania Betcherowa as Rzepkowa, the cook