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Arttu Peltomaa as Arttu |
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Riikka Peltomaa as Riikka |
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Niko Peltomaa as Niko |
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Katja Kuortti as Katja |
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Anssi Kuortti as Anssi |
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Sara Peltomaa as Sara |
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Juho Peltomaa as Juho |
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Arna Kanerva as Arna |
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Marja-Leena Kouki as Artun äiti |
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Kari Mäkipaakkanen as Artun isä |
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Antti Honkanen as King Kong / Arttu täysikasvuisena |
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Asko Sarkola as mäyräkoira Richardin ääni (voice) |
| Sound | Paul Jyrälä | Production Sound Mixer |
| Sound | Tuomo Kattilakoski | Sound Re-Recording Mixer |
| Camera | Erkki Peltomaa | Director of Photography |
| Directing | Hannu Peltomaa | Director |
| Editing | Hannu Peltomaa | Editor |
| Sound | Matti Kuortti | Sound Editor |
| Production | Hannu Peltomaa | Producer |
| Writing | Hannu Peltomaa | Writer |
| Writing | Erkki Peltomaa | Writer |
| Sound | Matti Kuortti | Production Sound Mixer |
| Sound | Jouko Lumme | Production Sound Mixer |
| Sound | Jari Innanen | Production Sound Mixer |
| Sound | José Camus-Vargas | Production Sound Mixer |
| Sound | Erkki Salmela | Production Sound Mixer |
| Sound | Harri Tuominen | Original Music Composer |
| Camera | Timo Markko | "B" Camera Operator |
