as profesor Stefan Vogel
as Ignacy Vogel
as Marianna Vogel, córka Ignacego
as Bolesław Lachowicz, brat Klary Vogel
as Anna Vogel vel Joanna Peterko
as Klara Vogel, żona Ignacego
as Olivier Romiasz
as Zenon Vogel, syn Ignacego
as Stanisław Katadreuffe, partner Zenona
as nadkomisarz Kaja Zaremba
as aspirant Roch Kolski
as Eliza Vogel, żona Stefana
as Ewaryst