More Than Life At Stake Part One (1969)

Stanisław Mikulski

as Hans Kloss / Stanisław Kolicki

Seweryn Butrym

as General Wierlinger ("I Know Who You Are")

Mieczysław Stoor

as Sturmfuhrer Hans Stedtke ("I Know Who You Are")

Krzysztof Chamiec

as Sturmbannfuhrer Lothar ("I Know Who You Are")

Janina Borońska

as Irena ("I Know Who You Are")

Alicja Zommer

as Doctor Marta Becher ("I Know Who You Are")

Wiktor Nanowski

as Officer Interrogating Kloss ("I Know Who You Are")

Andrzej May

as Jacek ("I Know Who You Are")

Wanda Koczeska

as Basia Reczko ("Top Secret")

Igor Śmiałowski

as Erwin Reil ("Top Secret")

Leon Niemczyk

as Rioletto ("Top Secret")

Emil Karewicz

as Hermann Brunner ("Top Secret")

Lech Ordon

as Puschke ("Top Secret")

Marian Opania

as Kazik Truchanowicz ("Top Secret")

Jerzy Walczak

as Edward ("Top Secret")

Tadeusz Kalinowski

as Kreisleiter ("Top Secret")

Mieczysław Waśkowski

as Scharfuhrer Glaubel ("Top Secret")

Szczepan Baczyński

as Old Man ("I Know Who You Are") (uncredited)

J

Jerzy Balbuza

as Soviet Intelligence Agent ("I Know Who You Are") (uncredited)

J

Jacek Butrymowicz

as Secret Agent ("I Know Who You Are") (uncredited)