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