Karol Strasburger
— Jerzy Szajnowicz-Iwanow
Adriana Andreeva
— Kondopulos' Wife
Barbara Bargiełowska
— Marianna Jantos
Aleksander Iwaniec
— Stratos
Kiril Janev
— Mariopulos
Стойчо Мазгалов
— Kondopulos
Nikolay Nachkov
— Apostolidas
Helena Norowicz
— Courier
Józef Para
— Dr. Fortis
Bogomil Simeonov
— Dimitros Fortis
Monika Sołubianka
— Gabriela Coronis
Zdzisław Tobiasz
— Valdi
Tadeusz Białoszczyński
— Damaskinos
Jerzy Bielenia
— Savopulos
Witold Dębicki
— Radio Operator
Piotr Fronczewski
— Bieliński / Charlie (voice) (uncredited)
Krzysztof Fus
Wiktor Grotowicz
— Major
Tadeusz Kosudarski
— "Bull"
Kosta Karageorgiev
— Bandos
Józef Maliszewski
— Daleze
Antonina Mermerowa
— Eli
Stanisław Michalik
— SS Soldier Leading The Execution
Jerzy Moes
— Radio Operator
Zofia Petri
— Margerita Christophilu
Asparuh Sariev
— Sergeant
Georgi Paplomatis
— Student
Stanisław Tylczyński
— Natazas
Arkadiusz Bazak
— (uncredited)
Janusz Bylczyński
— (uncredited) / Dimitros Fortis (voice) (uncredited)