Cast
Henryk Modrzewski
Sennewald
Zenon Burzyński
Tunio
Barbara Kostrzewska
Paulina Rivoli
Nina Andrycz
Maria Kalergis
Janusz Warnecki
Professor
Jan Kurnakowicz
Prof. Jan Quatrini
Emil Karewicz
Georg
Jerzy Kaczmarek
(uncredited)
Janina Ordężanka
(uncredited)
Stanisław Żeleński
Józef Sikorski, music critic
Tadeusz Cygler
Julian Dobrski
Ludwik Benoit
Sculptor
Ryszard Barycz
Poet
Wiesława Kwaśniewska
(uncredited)
Bronisław Pawlik
Shopkeeper (uncredited)
Teresa Szmigielówna
(uncredited)
Jan Koecher
Stanisław Moniuszko
Krystyna Karkowska
Magdalenka
Wacław Ścibor-Rylski
Sacchetti
Kazimierz Opaliński
Theater Records-keeper
Aleksander Gąssowski
Jefimow
Józef Nowak
Student with Flowers (uncredited)
Gustaw Buszyński
Theater Director Ignacy Abramowicz
Zdzisław Mrożewski
Count Alfred (as Z. Morzewski)
Ludwik Sempoliński
Klimowicz
Halina Billing-Wohl
Moniuszka (wife)
Jan Ciecierski
Bishop
Bronisław Darski
Porter (uncredited)
Maria Kaniewska
Moniuszko's Co-Passenger (uncredited)
Jerzy Pietraszkiewicz
(uncredited)
Jerzy Duszyński
Włodzimierz Wolski
Lech Ordon
Publisher (uncredited)
Czesław Piaskowski
(uncredited)
Tadeusz Teodorczyk
Reporter (uncredited)
Tadeusz Pluciński
Painter
Danuta Szaflarska
Countess Krystyna