Krzysztof Pieczyński

as Karol

as The Mechanic

as Bailey

as Jan (6 episodes)

as Adam Koc (7 episodes)

as Willibrord

as Janusz Zadara (8 episodes)

as Maxim Litvinov

as Julian Przyboś

as Lesław Dobrzański (8 episodes)

as Podinspektor Maciej Stasiński (12 episodes)

as Vladimir Gosev (3 episodes)

as Grzegorz Budnik

as Brzeziński

as Adam Sikora (1 episode)

as Ryszard Kołtun vel Wolański (5 episodes)

as Albert Bilewski (1 episode)

as Igor

as Andrzej Santorski

as Ilarius Domicius

as Dr. Janusz Korczak

as Władysław Sikorski

as Antoni Duracz (3 episodes)

as Jacob de Roy

as brat Czeremcha