Ryszard Filipski

Marcin Nowak / Nowak's Cellmate (voice)

Anna Ciepielewska

Teresa

Henryk Giżycki

Artur Kenneth

Andrzej Kozak

Jan Duda "Garbus"

Wacław Ulewicz

Leon Taszewski

Ewa Drozdowska

Maja Ordężanka-Bogucka

Stanisław Niwiński

Ralf Moes

Hanna Balińska

Teresa Kałuda

Ruta

Małgorzata Potocka

Zuzanna

Jerzy Binczycki

Doctor

Jerzy Aleksander Braszka

Polish Intelligence Major

Andrzej Buszewicz

Polish Agent

Andrzej Gazdeczka

PGR Worker

Juliusz Grabowski

Ruta's "Father"

Andrzej Jurczak

Tractor Driver

Jerzy Kozakiewicz

UB Officer in 1954

Tadeusz Kwinta

PGR Worker on a Train

Bohdan Mikuć

Jerzy Moes

Agent kidnapping Duda

Janusz R. Nowicki

Agent

Stefan Szmidt

CIA Agent

Jerzy Złotnicki

Kenneth's Agent

Zbigniew Bielski

Polish Counter-Intelligence Officer (uncredited)

Jerzy Fedorowicz

American Agent (uncredited)

Stanisław Jaroszyński

American Agent (uncredited)

Eugeniusz Korczarowski

Polish Counter-Intelligence Officer (uncredited)

Czesław Magnowski

(uncredited)

Zygmunt Malawski

Morozow (uncredited)

Andrzej Mrozek

Doctor's Assistant (uncredited)

Joanna Jędryka

Zuzanna (voice) (uncredited)

Bogusław Sochnacki

UB Officer in 1954 / Doctor (voice) (uncredited)