Elenco - Signals
Danuta Starczewska
ZosiaStanisław Mikulski
JanekTeresa Szmigielówna
Dr. SkalskaStefan Bartik
KulawikLeon Niemczyk
Robbery organiserMichał Szewczyk
FelekTadeusz Białoszczyński
Professor BiernackiHalina Buyno-Łoza
Woman in a beer boothAdolf Chronicki
Security guardJadwiga Hanska
Medicine donorKalina Jędrusik
Janek and Zosia's neighborStanisław Jaworski
Medicine donorWacław Kowalski
Taxi driverStanisław Milski
Owner of the broken carIrena Netto
Janek and Zosia's neighborWładysław Dewoyno
Security officer (uncredited)Michał Gazda
Dr. Szewczyk (uncredited)Juliusz Grabowski
Fake medicine salesman (uncredited)Wiktor Grotowicz
City chief (uncredited)Stanisław Igar
English sailor (uncredited)Jan Łopuszniak
Medical dispatcher (uncredited)Józef Pieracki
Medicine salesman (uncredited)Henryk Teichert
Janek's friend (uncredited)