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