Szyfry

Jan Kreczmar

Tadeusz

Zbigniew Cybulski

Maciek

Ignacy Gogolewski

Doctor Zygmunt Gross

Irena Horecka

Helena Kunicka

Януш Клосиньский

Bookstore Manager

Barbara Krafftówna

Jadwiga

Wacław Kowalski

Madeja

Kazimierz Opaliński

Pieczara

Władysław Dewoyno

Train Waiter

Adam Dzieszyński

Hotel Receptionist

Януш Гайос

Monk

Irma Kozłowska

Caretaker

Zofia Merle

Wacka

Irena Orska

Neighbour

Jadwiga Skupnik

Phone Operator

Irena Eichlerówna

Zofia

Leopold Rene Nowak

Gestapo Officer / Man on the Street (uncredited)

Kazimierz Ostrowicz

Train Conductor (uncredited)

Stefania Kołodziejczyk

Waitress