The story is narrated by ten-year old Staszek, who writes in his diary about his school-friend Jozef. Jozef comes from a family of blacksmiths, all of whom bear the name Jozef. Since he is the sixth consecutive son to be called Jozef, he is nicknamed Szustek (meaning "sixth one").
Krzysztof Majchrzak
as Józef Andryszek V
Bartosz Opania
as Józef Andryszek I
Grażyna Błęcka-Kolska
as Chanutka V
Mariusz Saniternik
as Kulawik
Maria Gładkowska
as Dziedziczka
Jan Nowicki
as Dziedzic
Franciszek Pieczka
as Wujo Janek
Izabella Bukowska
as Jagoda
Joanna Orleańska
as Chanutka I
Magdalena Ostolska
as Pielęgniarka w lazarecie
