Barbara Lass as Ewa Bonecka

Stanisław Mikulski as Policeman Piotr Malewski

Stefan Bartik as Police Commissioner

Ludwik Benoit as Leon 'Ptuszko' Pistynek

Maria Kaniewska as Helutka

Roman Kłosowski as Lulek

Wacław Kowalski as Gunsmith

Gustaw Lutkiewicz as Policeman Dobiela

Stanisław Milski as Fafula

Władysław Osto-Suski as Hearse Driver

Jarema Stępowski as Wacek Szparaga

Wojciech Turowski as "Professor"

Edward Wichura as Policeman Teofil

Zygmunt Zintel as Major Piętka

Bogdan Baer as Baker (uncredited)

Henryk Boukołowski as Thieves' School Student (uncredited)

Emir Buczacki as "Blind Tolo" (uncredited)

Halina Buyno-Łoza as "Beautiful Lola" (uncredited)

Bronisław Darski as Major Piętka's Driver

Ryszard Filipski as Road Worker (uncredited)

Władysław Głąbik as Man in a Workers' Hotel (uncredited)

Henryk Hunko as Thief (uncredited)

Wacław Jankowski as Duty Policeman at the Station (uncredited)

Kalina Jędrusik as Biernacka (uncredited)

Cezary Julski as Policeman Kruszyna (uncredited)

Eugeniusz Kamiński as Gienio "Lockpick" (uncredited)

Ludwik Kasendra as Pluciński (uncredited)

Henryk Kluba as Film Director (uncredited)

Jan Kobuszewski as Marian (uncredited)

Zdzisław Kuźniar as Bandit (uncredited)

Włodzimierz Kwaskowski as Henio "Club" (uncredited)

Mieczysław Łoza as Bandit (uncredited)

Henryk Modrzewski as Man "buying" a Brick (uncredited)

Bronisław Pawlik as Policeman Ciapała (uncredited)

Czesław Piaskowski as Oleś (uncredited)

Józef Pieracki as Drunk Baker (uncredited)

Barbara Rachwalska as Workers' Hotel Manager (uncredited)

Wojciech Rajewski as Workplace Director (uncredited)

Ryszard Ronczewski as Filon "Quiet" (uncredited)

Włodzimierz Skoczylas as Impostor Bricklayer (uncredited)

Zbigniew Skowroński as Road Worker (uncredited)

Kazimierz Stankiewicz as Hoodlum (uncredited)

Leonard Pietraszak as Motorcyclist (uncredited)