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