Wacław Ulewicz
Leon Taszewski
Andrzej Mrozek
Doctor's Assistant (uncredited)
Małgorzata Potocka
Zuzanna
Stefan Szmidt
CIA Agent
Jerzy Bińczycki
Doctor
Anna Ciepielewska
Teresa
Ryszard Filipski
Marcin Nowak / Nowak's Cellmate (voice)
Andrzej Kozak
Jan Duda "Garbus"
Hanna Balińska
Jerzy Kozakiewicz
UB Officer in 1954
Joanna Jędryka
Zuzanna (voice) (uncredited)
Andrzej Gazdeczka
PGR Worker
Stanisław Niwiński
Ralf Moes
Bogusław Sochnacki
UB Officer in 1954 / Doctor (voice) (uncredited)
Zygmunt Malawski
Morozow (uncredited)
Eugeniusz Korczarowski
Polish Counter-Intelligence Officer (uncredited)
Jerzy Złotnicki
Kenneth's Agent
Zbigniew Bielski
Polish Counter-Intelligence Officer (uncredited)
Jerzy Fedorowicz
American Agent (uncredited)
Jerzy Moes
Agent kidnapping Duda
Juliusz Grabowski
Ruta's "Father"
Andrzej Jurczak
Tractor Driver
Tadeusz Kwinta
PGR Worker on a Train
Jerzy Aleksander Braszka
Polish Intelligence Major
Stanisław Jaroszyński
American Agent (uncredited)
Janusz R. Nowicki
Agent
Andrzej Buszewicz
Polish Agent
Bohdan Mikuć