
Paweł Nowisz
Rysio

Marian Opania
Stasio

Leon Niemczyk
Dogcatcher / Professor Kazio

Hanna Małkowska
Rysio's mother-in-law / Cook

Mirosława Marcheluk
Rysio's wife

Krystyna Feldman
Master's degree holder

Lena Wilczyńska
Master's degree holder in a dog shelter

Wiesław Drzewicz
Mr. Józio

Władysław Dewoyno
Professor

Wirgiliusz Gryń
Rysio's neighbor

Mirosław Szonert
Vet

Franciszek Trzeciak
Dogcatcher's helper

Eugeniusz Wałaszek
Man with a dog

Jerzy Moniak
Waiter (uncredited)

Maria Probosz
Rysio's pupil (uncredited)