Józef Nowak as Colonel Marczak

Mieczysław Czechowicz as Captain Zawadzki

Jan Nowicki as Captain Nawrot

Teresa Lipowska as Krystyna Kacperska

Jerzy Kaczmarek as Lieutenant Siwecki

Andrzej Krasicki as Counterintelligence Officer

Jan Bielawski as Counterintelligence Officer

Janusz Zakrzeński as Janek

Bogdan Baer as Ludwik Będziński

Bogusz Bilewski as Witold Bracki

Jolanta Lothe as Wanda

Alfred Freudenheim as Janik's Killer

Bernard Michalski as Jan Bernand Olecki / Bernand Michalski

Teodor Gendera as Counterintelligence Officer

Janusz Guttner as Wojciech Janik

Jadwiga Kuryluk as Janik's Maid

Bolesław Płotnicki as Henryk Hilman

Sylwester Przedwojewski as Stefan Krawczyk

Wojciech Rajewski as Pen Maker

Mieczysław Stoor as Feldscher

Kazimierz Wichniarz as Counterintelligence Agent

Jan Englert as Cameraman (uncredited)

Jerzy Januszewicz as Masseur (uncredited)

Bogumił Kobiela as Chief Electrician (uncredited)

Bogdan Łysakowski as Electrician (uncredited)

Ludwik Pak as HR Man (uncredited)

Beata Tyszkiewicz as Beata Tyszkiewicz (uncredited)