Bronisław Cieślak as Bogdan Zawada

Ewa Kania as Hanna Piotrowska

Krzysztof Kowalewski as Zawadas Freund

Tadeusz Borowski as Inżynier Rudnik

Zbigniew Buczkowski as Piotrowski

Andrzej Chrzanowski as Jan Golewicz, dyrektor instytutu we Wrocławiu

Halina Gryglaszewska as Pyrnikowa

Sabina Wiśniewska as Piotrowski's Mother

Maria Zbyszewska as Matka Krawczyka

Barbara Brylska as Golewiczowa

Liliana Głąbczyńska as

Wanda Węsław-Idzińska as

Wiesław Drzewicz as

Roman Frankl as

Wirgiliusz Gryń as

Marek Idziński as

Mieczysław Janowski as

Zbigniew Koczanowicz as

Zdzisław Kozień as

Daniel Kustosik as

Mieczysław Łoza as

Bogusław Linda as Zbigniew Zajdowski

Tomasz Lulek as

Ignacy Machowski as

Krzysztof Majchrzak as

Jerzy Nowak as

Eugeniusz Priwieziencew as

Igor Przegrodzki as

Andrzej Wojaczek as

Halina Rasiakówna as dziewczyna Ajewskiego, toruńskiej ofiary "Wściekłego"