Rolf Römer
— Kasper (voice)
Annekathrin Bürger
— Gretel (voice)
Gertrud Brendler
— Grandma (voice)
Wolfgang Dehler
— Devil (voice)
Thea Elster
— Devil's Grandma (voice)
Hans Kopprasch
— Mayor (voice)
Joachim Zschocke
— Grandpa Kunz (voice)
Horst Kempe
— (voice)
Lotte Meyer
— (voice)
Elfriede Huhle
— (voice)
Rolf Besser
— (voice)