Hans Kloss / Stanisław Kolicki
Stanisław Mikulski
General Wierlinger ("I Know Who You Are")
Seweryn Butrym
Rioletto ("Top Secret")
Leon Niemczyk
Hermann Brunner ("Top Secret")
Emil Karewicz
Puschke ("Top Secret")
Lech Ordon
Kazik Truchanowicz ("Top Secret")
Marian Opania
Edward ("Top Secret")
Jerzy Walczak
Kreisleiter ("Top Secret")
Tadeusz Kalinowski
Scharfuhrer Glaubel ("Top Secret")
Mieczysław Waśkowski
Old Man ("I Know Who You Are") (uncredited)
Szczepan Baczyński
Soviet Intelligence Agent ("I Know Who You Are") (uncredited)
Jerzy Balbuza
Secret Agent ("I Know Who You Are") (uncredited)
Jacek Butrymowicz
Sturmfuhrer Hans Stedtke ("I Know Who You Are")
Mieczysław Stoor
Officer Questioning Kolicki ("I Know Who You Are") (uncredited)
Jerzy Czupryniak
Fritz ("I Know Who You Are") (uncredited)
Marek Dąbrowski
Soviet Lieutenant ("I Know Who You Are") (uncredited)
Henryk Dudziński
Helmuth ("I Know Who You Are") (uncredited)
Mieczysław Gajda
SS Soldier / Hans Kloss (voice)
Andrzej Herder
SS Officer ("I Know Who You Are") (uncredited)
Andrzej Jędrzejewski
Bruno Dreher ("I Know Who You Are") (uncredited)
Jerzy Kaczmarek
Soviet Colonel ("I Know Who You Are") (uncredited)
Juliusz Lubicz-Lisowski
Heinrich Vogel ("I Know Who You Are") (uncredited)
Zygmunt Malawski
German Gendarme ("I Know Who You Are") (uncredited)
Zygmunt Nowicki
Sturmbannfuhrer Lothar ("I Know Who You Are")
Krzysztof Chamiec
SS Soldier / Fritz ("I Know Who You Are") (uncredited)
Zbigniew Płoszaj
Prison Barber ("I Know Who You Are") (uncredited)
Czesław Przybyła
Kloss' Cellmate ("I Know Who You Are") (uncredited)
Edward Radulski
Helmut Kloss ("I Know Who You Are") (uncredited)
Jan Rudnicki
Captain ("I Know Who You Are") (uncredited)
Marek Sobczyk
Deciphering Lieutenant ("I Know Who You Are") (uncredited)
Bohdan Sobiesiak
General's Adjutant ("I Know Who You Are") (uncredited)
Ryszard Sobolewski
Mirosław Szonert
Lothar Beitz ("I Know Who You Are") (uncredited)
Jerzy Szpunar
Old Woman ("I Know Who You Are") (uncredited)
Natalia Szymańska
Irena ("I Know Who You Are")
Janina Borońska
Stedtke's Snitch ("I Know Who You Are") (uncredited)
Jan Tesarz
German Colonel ("I Know Who You Are") (uncredited)
Janusz Ziejewski
Major Horst ("Top Secret") (uncredited)
Tadeusz Schmidt
Reil's Secretary ("Top Secret") (uncredited)
Krystyna Feldman
Partisan ("Top Secret") (uncredited)
Andrzej Jurga
Doktor Pulkowski ("Top Secret") (uncredited)
Jan Koecher
Kreisleiter's Wife ("Top Secret") (uncredited)
Małgorzata Lorentowicz
Party Guest ("Top Secret") (uncredited)
Tadeusz Ordeyg
Zdzisław Salaburski
Mailman ("Top Secret") (uncredited)
Tadeusz Teodorczyk
Doctor Marta Becher ("I Know Who You Are")
Alicja Zommer
Officer Interrogating Kloss ("I Know Who You Are")
Wiktor Nanowski
Jacek ("I Know Who You Are")
Andrzej May
Basia Reczko ("Top Secret")
Wanda Koczeska
Erwin Reil ("Top Secret")
Igor Śmiałowski
Music
Jerzy Matuszkiewicz
Sound
Józef Koprowicz
Director
Janusz Morgenstern
Director of Photography
Antoni Wójtowicz
Screenplay
Zbigniew Safjan
Assistant Production Design
Tadeusz Myszorek
Andrzej Szypulski
Marek Iwaszkiewicz
Assistant Camera
Tadeusz Zając
Assistant Production Manager
Maria Burdecka
Assistant Makeup Artist
Teodor Grymaszewski
Jerzy Wroński
Editor
Maria Mastalinska
Makeup Artist
Assistant Director
Camera Operator
Zbigniew Czajkowski
Longin Dobrzyński
Helena Bialecka
Costume Design
Ludwina Mannowa
Andrzej Albinowski
Stefan Filipiak
Mieczysław Pośmiechowicz
First Assistant Director
Ryszard Pluciński
Jerzy Majak
Romuald Wojciech Szpotakowski
Production Manager
Mieczysław Wajnberger
Halina Lachowicz
Mieczysław Ferster
Production Design
Zdzisław Kielanowski
Roman Kolski