Warszawska premiera 1951

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)