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
Teresa Kałuda
Ruta
Małgorzata Potocka
Zuzanna
Jerzy Bińczycki
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
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)