The hero is a Jewish youth. He, like his family, has always been silent and undemonstrative in the face of prejudice. Now he stands up for his right to survive, and in so doing represents the fighting spirit that culminated in the Warsaw Uprising.
Serge Merlin
Jakub Gold
Alina Janowska
Lucyna
Elżbieta Kępińska
Kazia, Malina's Niece
Jan Ciecierski
Józef Malina
Tadeusz Bartosik
"Professor" Pankrat
Władysław Kowalski
Fiałka / Jakub Gold (voice)
Irena Netto
Jakub's Mother
Beata Tyszkiewicz
Stasia
Jan Ibel
Genio
Bogumił Antczak
Prisoner (uncredited)
Wiesława Chojkowska
Wiśka (uncredited)
Edmund Fetting
Zygmunt, Guest at Lucyna's Party (uncredited)
