Piotr Sobociński
Piotruś
Aleksandra Leszczyńska
Piotruś's Grandmother
Irena Laskowska
Piotruś's Mother
Wieńczysław Gliński
Piotruś's Father
Józef Nowak
Driver
Jerzy Turek
Circus Performer
Maja Wodecka
Teacher (uncredited)
Mieczysław Waśkowski
Planeta - Ziemia
Released
Bande-annonce