Kazimierz Junosza-Stepowski as Professor Jan Turwid

Irena Malkiewicz as Gabriela Turwidowa

Tamara Wiszniewska as Weronika Turwidówna

Franciszek Brodniewicz as Count Wiktor Lanski

Mieczysława Ćwiklińska as Kordelia, Gabriela's aunt

Adam Brodzisz as Jerzy

Ludwik Fritsche as Feliks, servant