Elenco - Planeta - Ziemia
Piotr Sobociński
PiotruśAleksandra 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) Piotr Sobociński
PiotruśAleksandra Leszczyńska
Piotruś's GrandmotherIrena Laskowska
Piotruś's MotherWieńczysław Gliński
Piotruś's FatherJózef Nowak
DriverJerzy Turek
Circus PerformerMaja Wodecka
Teacher (uncredited)