 Adolf DymszaRoman Grzela | Roman Grzela |
| KKrystyna LubienskaMarianna Grzela | Marianna Grzela |
| TTadeusz WiśniewskiPaweł | Paweł |
 Tadeusz BartosikWojtek's Father | Wojtek's Father |
 Barbara DrapińskaWojtek's Mother | Wojtek's Mother |
 Helena GrossównaHela's Mother | Hela's Mother |
| JJacek GacparskiWojtek | Wojtek |
| AAleksander KornelAdam Bąbel | Adam Bąbel |
 Lidia KorsakównaDog Owner | Dog Owner |
| AAnna KrzywickaHela | Hela |
 Wanda MajerównaTeacher | Teacher |
 Wiesław MichnikowskiBąbel | Bąbel |
 Konrad MorawskiWacek's Father | Wacek's Father |
 Adam PawlikowskiDog Owner's Husband | Dog Owner's Husband |
| AAldona PawłowskaSick Dog's Owner | Sick Dog's Owner |
 Grzegorz RomanBoy at Playground | Boy at Playground |
 Lech RzegockiWacek | Wacek |
| WWojciech ZurawskiNot listed | Not listed |
 Kazimierz DejunowiczPostman (uncredited) | Postman (uncredited) |
 Andrzej GazdeczkaSailor (uncredited) | Sailor (uncredited) |
 Lech GrzmocińskiSailor (uncredited) | Sailor (uncredited) |
 Jan KociniakCircus Spectator (uncredited) | Circus Spectator (uncredited) |
 Marian ŁączPE Teacher (uncredited) | PE Teacher (uncredited) |
 Janusz NasfeterTheatre Director (uncredited) | Theatre Director (uncredited) |
 Adam PerzykTheatre Employee (uncredited) | Theatre Employee (uncredited) |
 Danuta WodyńskaWacek's Mother (uncredited) | Wacek's Mother (uncredited) |
 Wojciech ZagórskiCircus Spectator (uncredited) | Circus Spectator (uncredited) |