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