Loda Niemirzanka

Ada Dziewanowska

Antoni Fertner

Ada's father

Kazimierz Junosza-Stepowski

Count Orzelski

Aleksander Żabczyński

Fred, count Orzelski's son

Kazimierz Krukowski

Bemol, music teacher

Romuald Gierasieński

Rzepka

Janina Krzymuska

Spitzberg-Fotter, boarding school superordinate

Helena Zarembina

Spitzberg-Fotter, boarding school superordinate

Jadwiga Andrzejewska

Zofia, schoolgirl, Ada's friend

Mira Zimińska

Ira Roletti, prima donna