Bogusz Bilewski as Lt. Stefan Zaremba

Krystyna Iwaszkiewicz as Margaret Hill

Danuta Nagórna as Katarzyna

Jan Machulski as Lieutenant Stanisław Kamień

Jane Ridgway as Alice

Kazimierz Dejunowicz as Doctor

Kazimierz Fabisiak as Francois

Emil Karewicz as German Pilot

Miłosz Maszyński as Doctor Ruvet

Artur Młodnicki as German Officer

Zbigniew Roman as Pierre

Włodzimierz Skoczylas as Zygmunt

Igor Śmiałowski as Zawada

Jerzy Kozakiewicz as French Resistance Member (uncredited)

Leonard Pietraszak as Pilot (uncredited)