Cast & crew
Dunderklumpen! (1974)
Directed by Per Åhlin Written by Beppe Wolgers
Cast
| Håkan Serner | Lionel (voice) |
| Beppe Wolgers | Beppe |
| Jens Wolgers | Jens |
| Halvar Björk | Dunderklumpen / Jorm (voice) |
| Toots Thielemans | Pellegnillot (voice) |
| Lotten Strömstedt | Doll (voice) |
| Sif Ruud | Elvira Fattigan (voice) |
| Stig Grybe | One Eye (voice) |
| Kerstin Dunér | Self |
| Bert-Åke Varg | Old House (voice) |
| Gösta Ekman | Dummy (Voice) |
| Birgitta Andersson | Blomhåret (voice) |
| Hans Alfredson | Bee (voice) |
| Camilla Wolgers | Camilla |
Crew
| Jan-Erik Lundberg | Sound |
| Per Åhlin | Director |
| Sven Fahlén | Sound |
| Per Svensson | Animation |
| Gunnar Karlsson | Producer |
| Per Åhlin | Animation |
| Björn Almstedt | Sound |
| Claes Rosendahl | Music Supervisor |
| Anna-Lena Fries | Painter |
| Christina Svensson | Painter |
| Jörgen Hasselblad | Foley |
| Per Åhlin | Editor |
| Beppe Wolgers | Screenplay |
| Karin Schmidt | Painter |
| Lars Klettner | Sound Effects Editor |
| Ib Steinaa | Animation |
| Esther Eckstein | Painter |
| Hans Åke Gabrielsson | Animation |
| Lennart Carlsson | Director of Photography |
| Lars Klettner | Production Sound Mixer |
| Lennart Carlsson | Still Photographer |
| Kjeld Simonsen | Animation |
| Saskia Ackema | Painter |
| Per Svensson | Director of Photography |
| Michaela Halvegård | Painter |
| Tony Pahlborn | Painter |
| Inger Torstensdotter | Painter |
| Birgitta Jansson | Animation |
| Tibor Belay | Animation |
| Gullmaj Persson | Painter |
| Marie Torstensdotter | Painter |
| Annbritt Kaptein | Painter |
| Toots Thielemans | Music |