Adolf Dymsza
— Roman Grzela
Krystyna Lubienska
— Marianna Grzela
Tadeusz Wisniewski
— Paweł
Tadeusz Bartosik
— Wojtek's Father
Barbara Drapińska
— Wojtek's Mother
Helena Grossówna
— Hela's Mother
Jacek Gacparski
— Wojtek
Aleksander Kornel
— Adam Bąbel
Lidia Korsakówna
— Dog Owner
Anna Krzywicka
— Hela
Wanda Majerówna
— Teacher
Wiesław Michnikowski
— Bąbel
Konrad Morawski
— Wacek's Father
Adam Pawlikowski
— Dog Owner's Husband
Aldona Pawłowska
— Sick Dog's Owner
Grzegorz Roman
— Boy at Playground
Lech Rzegocki
— Wacek
Wojciech Zurawski
Kazimierz Dejunowicz
— Postman (uncredited)
Andrzej Gazdeczka
— Sailor (uncredited)
Lech Grzmociński
— Sailor (uncredited)
Jan Kociniak
— Circus Spectator (uncredited)
Marian Łącz
— PE Teacher (uncredited)
Janusz Nasfeter
— Theatre Director (uncredited)
Adam Perzyk
— Theatre Employee (uncredited)
Danuta Wodyńska
— Wacek's Mother (uncredited)
Wojciech Zagórski
— Circus Spectator (uncredited)