Bogumił Kobiela

Jan Piszczyk

Maria Ciesielska

Basia

Helena Dąbrowska

Wychówna

Barbara Lass

Jola

Krystyna Karkowska

Wrona-Wronska

Barbara Połomska

Zosia Jelonka

Tadeusz Bartosik

Wasik

Henryk Bąk

Director

Mariusz Dmochowski

UB Officer

Aleksander Dzwonkowski

Cezary Piszczyk

Edward Dziewoński

Jelonek

Tadeusz Janczar

Ens. Sawicki

Stanisław Jaworski

Watchmaker

Andrzej Krasicki

Witold Kropaczyński

Kazimierz Opaliński

Prison Warden

Jerzy Pichelski

Maj. Wrona-Wronski

Adam Pawlikowski

Ens. Osewski

Wojciech Siemion

Józef Kacperski

Jan Tadeusz Stanisławski

Chief Scout

Tadeusz Waczkowski

Manager Kozienicki

Krystyna Cierniak

Girl in the University Hall (uncredited)

Jerzy Dobrowolski

Prison Clerk (uncredited)

Jerzy Felczyński

Cadet in the Camp (uncredited)

Michał Gazda

(uncredited)

Wiesław Gołas

UB Officer (uncredited)

Maria Kaniewska

Anastazja Makulec (uncredited)

Roman Kłosowski

Piszczyk's Client (uncredited)

January Krawczyk

Conspirator (uncredited)

Zdzisław Leśniak

Man at a Gate (uncredited)

Zygmunt Listkiewicz

Sergeant (uncredited)

Mirosława Marcheluk

(uncredited)

Józef Nowak

Witold (uncredited)

Leopold Rene Nowak

Franek the Rickshaw Driver (uncredited)

Ryszard Ostałowski

Soldier in a Camp (uncredited)

Czesław Piaskowski

Militiaman in Jelonek's Apartment (uncredited)

Leonard Pietraszak

Conspirator (uncredited)

Wojciech Pokora

Cadet in a Camp (uncredited)

Roman Polanski

Tutor (uncredited)

Sylwester Przedwojewski

Police Doctor (uncredited)

Sława Przybylska

Singer (uncredited)

Ryszard Ronczewski

Soldier transporting "Secret Weapons" (uncredited)

Andrzej Ropski

Kropaczyńska's Lover (uncredited)

Witold Sadowy

Soldier imitating Hitler (uncredited)

Witold Skaruch

Young Piszczyk's Teacher (uncredited)

Wojciech Skibiński

Cadet Krawczyk (uncredited)

Kazimierz Stankiewicz

Train Passenger with a Basket (uncredited)

Kazimierz Wilamowski

General at a Parade (uncredited)

Ewa Wiśniewska

Student (uncredited)

Danuta Wodyńska

Julcia (uncredited)

Stanisław Wyszyński

Camp Prisoner (uncredited)

Barbara Horawianka

Irena Kropaczyńska (voice) (uncredited)