Polish WWII resistance fighter Witold Pilecki infiltrates Auschwitz, is imprisoned and interrogated by communist officials post-war, depicting his wartime experiences, incarceration, torture, and 1948 execution for opposing Soviet regime.
Witold Pilecki
Maria Pilecka
Eugeniusz Chimczak
Józef Różański
Józef Cyrankiewicz
Alojzy Steller
Executioner Smietanski
Karl Fritzsch
Jerzy de Virion
Tadeusz Płużański
Mother shot
Cyrankiewicz's secretary
prosecutor Łapiński
Witold Pilecki
Maria Pilecka
Eugeniusz Chimczak
Józef Różański
Józef Cyrankiewicz
Alojzy Steller
Executioner Smietanski
Karl Fritzsch
Jerzy de Virion
Tadeusz Płużański
Mother shot
Cyrankiewicz's secretary
prosecutor Łapiński