 Beata TyszkiewiczMaria Polińska | Maria Polińska |
 Katarzyna ŁaniewskaBasia Giedrowska | Basia Giedrowska |
 Ignacy MachowskiBernard | Bernard |
 Stanisław MikulskiLieutenant Baczny | Lieutenant Baczny |
 Zbigniew ZapasiewiczCaptain Kres | Captain Kres |
 Jerzy WalczakZygmunt | Zygmunt |
 Henryk BąkMajor | Major |
 Stanisław GronkowskiLudwik Mituła | Ludwik Mituła |
 Zygmunt ListkiewiczKoleba | Koleba |
| ZZygmunt LebicaSzarecki | Szarecki |
| SStanisław NiwińskiGiedrowski | Giedrowski |
 Wacław KowalskiMute | Mute |
 Roman SykałaPathologist | Pathologist |
 Helena DąbrowskaAgent | Agent |
 Marian ŁączBus Driver | Bus Driver |
 Witold SkaruchDecoding Chief | Decoding Chief |
 Barbara WałkównaIrena Mitułowa | Irena Mitułowa |
 Wanda JakubińskaCitizen | Citizen |
 Janusz ZiejewskiCloakroom Attendant | Cloakroom Attendant |
 Zbigniew JózefowiczCaptain | Captain |
| BBernard DecStation Chief (uncredited) | Station Chief (uncredited) |
| MMaria DerewendaEla (uncredited) | Ela (uncredited) |
 Andrzej HerderZygmunt's Substitute (uncredited) | Zygmunt's Substitute (uncredited) |
 Juliusz Lubicz-LisowskiMusicologist (uncredited) | Musicologist (uncredited) |
 Jerzy KaraszkiewiczAgent (uncredited) | Agent (uncredited) |
 Tadeusz KosudarskiKarol (uncredited) | Karol (uncredited) |
 Stanisław MichalskiPhotographer (uncredited) | Photographer (uncredited) |
 Natalia SzymańskaEla's Grandmother (uncredited) | Ela's Grandmother (uncredited) |
 Mieczysław TarnawskiAgent (uncredited) | Agent (uncredited) |
 Jerzy ZapiórZygmunt's Helper (uncredited) | Zygmunt's Helper (uncredited) |
