Signals

Danuta Starczewska

Zosia

Stanisław Mikulski

Janek

Teresa Szmigielówna

Dr. Skalska

Stefan Bartik

Kulawik

Leon Niemczyk

Robbery organiser

Michał Szewczyk

Felek

Tadeusz Białoszczyński

Professor Biernacki

Halina Buyno-Łoza

Woman in a beer booth

Adolf Chronicki

Security guard

Kalina Jędrusik

Janek and Zosia's neighbor

Stanisław Jaworski

Medicine donor

Wacław Kowalski

Taxi driver

Stanisław Milski

Owner of the broken car

Irena Netto

Janek and Zosia's neighbor

Tadeusz Skorulski

Acting

Władysław Dewoyno

Security officer (uncredited)

Michał Gazda

Dr. Szewczyk (uncredited)

Juliusz Grabowski

Fake medicine salesman (uncredited)