Dunderklumpen lives all alone in the mountains of Jämtland. One Midsummer's Eve when he feels very lonely he sets off on a journey to find friends.
Beppe Wolgers
as Beppe
Jens Wolgers
as Jens
Halvar Björk
as Dunderklumpen / Jorm (voice)
Håkan Serner
as Lionel (voice)
Gösta Ekman
as Dummy (voice)
Toots Thielemans
as Pellegnillot (voice)
Lotten Strömstedt
as Doll (voice)
Sif Ruud
as Elvira Fattigan (voice)
Birgitta Andersson
as Blomhåret (voice)
Stig Grybe
as One Eye (voice)
Hans Alfredson
as Bee (voice)
Kerstin Dunér
as Self
