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