- Haruka Tomatsu
- Keita Amano
- Tomokazu Seki
- Whisper / Buchinyan (voice)
- Etsuko Kozakura
- Jibanyan / Buchinyan / Shogunyan (voice)
- Romi Park
- Keizo Amano
- Yûki Kaji
- Darknyan / Hovernyan / Meganyan (voice)
- Ainosuke Kataoka
- Dame Dedtime
- Vanilla Yamazaki
- Kin
- Mika Kanai
- Gin
- Hisako Kyôda
- Yukiko Amano
- Haruka Shimazaki
- Young Yukiko Amano
- Naoki Bando
- Bronzlow / Manjimutt / Robonyan / Roughraff (voice)
- Aya Endô
- Komasan / Fumiko Kodama (voice)
- Masahito Yabe
- Dandoodle / Happiere / Walkappa (voice)
- Ryôko Nagata
- Kyubi / Mrs. Amano (voice)
- Chie Satô
- Kanachi Imada / Tattletell (voice) (as Chie Satou)
- Yûko Sasamoto
- Blazion
- Tôru Nara
- Gorota Kumashira / Mr. Amato (voice)
- Ken Shimura
- Master Nyada
- Johnny Yong Bosch
- Nate Adams / Bully #2 / Crowd / Hovernyan / Leggly / Meganyan / Nathaniel Adams' Friend (voice)
- Monalisa Capella
- Komasan
- Joey D'Auria
- Whisper / Buchinyan / Castellius I / Master Nyada / Robonyan / The Wicked / Villain / Voice from TV (voice)
- Meyer DeLeeuw
- Nathaniel Adams / Appliance Store Owner / Bold Basher / Golem Wicked / Old Man / The Wicked / Wicked Man #1 (voice)
- Blair Dinucci
- Clerk 2
- Paul Greenberg
- Bear Bernstein / Bronzlow / Dandoodle / Fishmonger / Happierre / Manjimutt / Man #1 / The Wicked / Wicked Man #2 (voice)
- Melissa Hutchison
- Katie Forester / Komasan / Cadin / Kin / Kyubi / Old Woman / Tattletell / Walkappa / Woman #3 (voice)
- Alicyn Packard
- Jibanyan / Buchinyan / Chippa / Crowd / Dame Dedtime / Everfore / Frostina / Lily Adams / Shogunyan / Woman #2 (voice)
- Brent Pendergrass
- Eddie Archer / Aaron Adams / Blazion / Bully #1 / Crowd / Darknyan / Moximus Mask / Noway / Reuknight / Roughraff / Summoner / Wicked Man #3 (voice)
- Jenn Wong
- Gin / Lucy Adams / Crowd / Mermaidyn / Tri-Mirapo / Wicked Baby (voice)
