Jerzy Bińczycki as Professor Rafał Wilczur / Antoni Kosiba

Anna Dymna as Maria Jolanta Wilczur / Beata Wilczur

Tomasz Stockinger as Count Leszek Czyński

Bernard Ładysz as Miller Prokop

Artur Barciś as Wasylko

Andrzej Kopiczyński as Doctor Pawlicki

Piotr Grabowski as Zenek

Bożena Dykiel as Sonia

Maria Homerska as Czyńska

Igor Śmiałowski as Czyński

Jerzy Trela as Obiedziński

Piotr Fronczewski as Dobraniecki

Gustaw Lutkiewicz as

Irena Burawska as

Irina Ozhekhovskaya-Peskova as Olga

Arkadiusz Bazak as prokurator

Jerzy Block as

Czesław Bogdański as

Kazimierz Iwiński as

Andrzej Krasicki as

Wojciech Pilarski as

Bogusław Sochnacki as

Andrzej Szalawski as

Józef Zbiróg as

Włodzimierz Adamski as

Jerzy Braszka as

Janina Borońska as (w napisach: Janina Borońska-Łągwa)

Danuta Cwynarówna as

Jerzy Czupryniak as

Janusz Dąbrowski as

Henryk Dudziński as

Barbara Dzido-Lelińska as (w napisach: Barbara Dzido)

Andrzej Głoskowski as

Marian Harasimowicz as

Eugeniusz Karczewski as

Jerzy Kozłowski as

Maria Klejdysz as (w napisach: Maria Kleydysz)

Genowefa Korska as

Eugeniusz Korczarowski as

Tadeusz Kożusznik as

Juliusz Lubicz-Lisowski as (w napisach: Juliusz Lisowski)

Dobrosław Mater as

Sabina Mielczarek as (w napisach: Sabina Mielczarek-Taborska)

Stefan Paska as

Barbara Rogacka as

Remigiusz Rogacki as

Przemysław Skarżyński as

Barbara Korczarowska as (w napisach: Barbara Szymanowska)

Tadeusz Teodorczyk as

Jerzy Tyczyński as

Iwona Urbańska as

Barbara Wałkówna as

Wojciech Zagórski as