Hanka Ordonówna
Rita Holm, Singer and intelligence agent
Bogusław Samborski
Pedro
Jerzy Leszczyński
Professor Skalski, Jerzy's father
Jerzy Pichelski
Engineer Jerzy Skalski
Igo Sym
Head of Intelligence
Lena Żelichowska
Polish counterintelligence agent
Wanda Jarszewska
Shop Customer
Alina Żeliska
Customer
Andrzej Bogucki
Man in Cafe
Lech Owron
Man talking to Skalski
Roman Dereń
Caretaker in Laboratory
Aleksander Suchcicki
Skalski's Colleague
Zdzisław Karczewski
Albert
Loda Niemirzanka
