Bronisław Pawlik as Michał Karcz

Aleksandra Zawieruszanka as Jadwiga Fołtasiówna-Karcz

Mieczysław Czechowicz as Mamczyk

Elżbieta Czyżewska as Renata

Wiesław Gołas as Józek Ciapuła

Jerzy Duszyński as Kurkiewicz

Jan Koecher as Professor Trębski

Wanda Łuczycka as Kowalska

Stefan Bartik as Skrobiszewski

Bronisław Darski as Drunk in a Bar

Maria Kaniewska as Hotel Janitor

Irena Orzecka as Ciapuła's Grandmother

Feliks Stamm as Ciapuła's Coach

Bohdan Tomaszewski as Commentator

Mirosław Bartoszek as Fan (uncredited)

Krystyna Chimanienko as Woman watching the Games (uncredited)

Krystyna Cierniak as Woman watching the Games (uncredited)

Helena Dąbrowska as Woman watching the Games (uncredited)

Juliusz Kalinowski as Man watching the Games (uncredited)

Lech Ordon as Plumber (uncredited)

Janusz Paluszkiewicz as Hotel Receptionist (uncredited)

Wojciech Pokora as Mietek (uncredited)

Sylwester Przedwojewski as Photographer (uncredited)

Andrzej Ropski as Waiter (uncredited)

Jan Tadeusz Stanisławski as Man watching the Games (uncredited)

Kazimierz Stankiewicz as Man watching the Games (uncredited)