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