- Kiyoyuki Yanada
- Â Daigunder unknown episodes
- Fujiko Takimoto
- Â Akira unknown episodes
- Isshin Chiba
- Â Eagle Arrow unknown episodes
- Juri Ihata
- Â Haruka unknown episodes
- Masaya Onosaka
- Â Dorimogu unknown episodes
- Ryôtarô Okiayu
- Â Bone Rex unknown episodes
- Tetsu Inada
- Â Dr. Hajime unknown episodes
- Yuki Kaida
- Â Ryugu unknown episodes
- Kari Wahlgren
- Â Additional Voices unknown episodes
- Steve Blum
- Â Professor Hajime Akebono unknown episodes
- Lara Jill Miller
- Â Heruka unknown episodes
- Barbara Goodson
- Â Akira Akebono unknown episodes
- Richard Epcar
- Â Eagle Arrow unknown episodes
- Paul Schrier
- Â Bone Rex unknown episodes
- Lex Lang
- Â Tri-Horn unknown episodes
- Mona Marshall
- Â Additional Voices / ... unknown episodes
- Michael Sorich
- Â Daigu / ... unknown episodes
- Steve Kramer
- Â Despector unknown episodes
- Joshua Seth
- Â Ryugu: Anchorbot to Daigunder unknown episodes
- Jason Charles Miller
- Â Additional Voices unknown episodes
- Tom Wyner
- Â Ginzan unknown episodes
- Bob Papenbrook
- Â Bulion unknown episodes
- Dave Mallow
- Â Track Announcer unknown episodes
- Brianne Brozey
- Â Jimmy unknown episodes
- Joey D'Auria
- Â Commissioner Spinklestarber unknown episodes
- Brad MacDonald
- Â Rogamaro unknown episodes
