Beppe Wolgers, Jens Wolgers, Halvar Björk, Håkan Serner, Gösta Ekman, Toots Thielemans, Lotten Strömstedt, Sif Ruud, Birgitta Andersson, Stig Grybe, Hans Alfredson, Kerstin Dunér, Bert-Åke Varg, Camilla Wolgers
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.