Jan Koecher
Stanisław Moniuszko
Jerzy Duszyński
Włodzimierz Wolski
Barbara Kostrzewska
Paulina Rivoli
Nina Andrycz
Maria Kalergis
Danuta Szaflarska
Countess Krystyna
Janusz Warnecki
Professor
Jan Kurnakowicz
Prof. Jan Quatrini
Stanisław Żeleński
Józef Sikorski, music critic
Gustaw Buszyński
Theater Director Ignacy Abramowicz
Zdzisław Mrożewski
Count Alfred (as Z. Morzewski)
Tadeusz Cygler
Julian Dobrski
Wacław Domieniecki
Italian Tenor
Józef Karbowski
Secretary
Jan Ciecierski
Bishop
Kazimierz Opaliński
Theater Records-keeper
Ludwik Sempoliński
Klimowicz
Krystyna Karkowska
Magdalenka
Halina Billing-Wohl
Moniuszka (wife)
Wacław Ścibor-Rylski
Sacchetti
Aleksander Gąssowski
Jefimow
Henryk Modrzewski
Sennewald
Zenon Burzyński
Tunio
Ludwik Benoit
Sculptor
Zdzisław Szymański
Reporter
Mieczysław Pawlikowski
Musician
Tadeusz Pluciński
Painter
Ryszard Barycz
Poet
Emil Karewicz
Georg
Jan Zielinski
stage manager
Bronisław Darski
Porter (uncredited)
Jerzy Kaczmarek
(uncredited)
Maria Kaniewska
Moniuszko's Co-Passenger (uncredited)
Krystyna Królikiewicz
(uncredited)
Wiesława Kwaśniewska
(uncredited)
Józef Nowak
Student with Flowers (uncredited)
Janina Ordężanka
(uncredited)
Lech Ordon
Publisher (uncredited)
Bronisław Pawlik
Shopkeeper (uncredited)
Czesław Piaskowski
(uncredited)
Jerzy Pietraszkiewicz
(uncredited)
Olga Sawicka
(uncredited)
Teresa Szmigielówna
(uncredited)
Kazimierz Szubert
(uncredited)
Janusz Ściwiarski
(uncredited)
Tadeusz Teodorczyk
Reporter (uncredited)
Józef Starzyński
Sculptor
Walerian Bierdiajew
Conductor
Leon Wójcikowski
Choreographer
Jan Lewiński
Sound Assistant
Hieronim Klimczak
Sound Assistant
Wojciech Urbanowicz
Still Photographer
Zygmunt Szyndler
Production Manager
Tadeusz Karwański
Assistant Production Manager
Henryk Waśkowski
Unit Manager
Stanisław Różewicz
First Assistant Director
Rafał Kukulski
Assistant Director
Jerzy Szeski
Assistant Director
Karol Chodura
Camera Operator
Tadeusz Jakuczyn
Assistant Camera
Wladyslaw Nagy
Assistant Camera
Tadeusz Zając
Lighting Technician
Roman Mann
Production Design
Marek Iwaszkiewicz
Set Decoration
Jerzy Szeski
Costume Design
Józef Koprowicz
Sound
Halina Wójtówna
Co-Editor
Jerzy Pękalski
Co-Editor
Jan Dobracki
Makeup Artist
Irena Kosecka
Assistant Makeup Artist
Zdzislaw Papierz
Assistant Makeup Artist
Stefan Adamek
Unit Manager
Henryk Szlachet
Unit Manager
Jan Rybkowski
Director
Jan Rybkowski
Writer
Stanisław Różewicz
Writer
Jerzy Waldorff
Writer
Mira Zimińska
Idea
Kazimierz Sikorski
Music
Andrzej Ancuta
Director of Photography
Brunon Jankowski
Editor