Cast & crew
April (1961)
Directed by Witold Lesiewicz Written by Józef Hen
Cast
| Piotr Pawłowski | Prosecutor |
| Jolanta Czaplińska | (uncredited) |
| Stanisław Tym | (uncredited) |
| Jerzy Pichelski | Doctor |
| Józef Łodyński | (uncredited) |
| Tadeusz Kondrat | Klukwa |
| Jan Kobuszewski | Paweł |
| Henryk Bąk | Col. Musgrove |
| August Kowalczyk | Major Iceborg |
| Krzysztof Kowalewski | Sulikowski |
| Adam Perzyk | (uncredited) |
| Andrzej Krasicki | Chaplain |
| Wojciech Rajewski | Heinrich |
| Jerzy Nowak | Concierge's Postman |
| Franciszek Pieczka | Pvt. Pyle |
| Bolesław Płotnicki | Andrzej Kozłowski |
| Leszek Herdegen | Ens. Tompkins |
| Jerzy Turek | Jasiek Gazdoń |
| Wacław Kowalski | Paramedic |
| Witold Pyrkosz | Lt. Gillette |
| Maria Ciesielska | Cpl. 'Radar' O'Reilly |
Crew
| Wilhelm Hollender | Production Manager |
| Jerzy Szurowski | Assistant Camera |
| Włodzimierz Grocholski | Assistant Production Manager |
| Barbara Pec-Ślesicka | Assistant Production Manager |
| Stanisław Kasprzysiak | Assistant Production Design |
| Janusz Weychert | First Assistant Director |
| Jerzy Zieliński | Assistant Set Decoration |
| Franciszek Czyżewski | Construction Foreman |
| Alfreda Czarnecka | Assistant Editor |
| Józef Hen | Novel |
| Andrzej Jerzy Piotrowski | Assistant Director |
| Witold Rowicki | Conductor |
| Jadwiga Zajiček | Editor |
| Tamara Gawryś | Script Supervisor |
| Kazimierz Kucharski | Sound Assistant |
| Tadeusz Baird | Original Music Composer |
| Czesław Świrta | Director of Photography |
| Jacek Korcelli | Camera Operator |
| Józef Hen | Screenplay |
| Witold Lesiewicz | Director |
| Tadeusz Janczak | Assistant Camera |
| Krystyna Chmielewska | Assistant Makeup Artist |
| Józef Kasprzak | Lighting Technician |
| Teresa Tomaszewska | Makeup Artist |
| Wojciech Krysztofiak | Production Design |
| Zorika Zarzycka | Assistant Director |
| Zbigniew Wolski | Sound |
| Zbigniew Kowalczyk | Sound Assistant |
| Jan Banucha | Costume Design |
| Marek Iwaszkiewicz | Set Decoration |