- Sôsuke Ikematsu
- Shotaro
- Yû Aoi
- Mami Tachibana
- Teruyuki Kagawa
- Reiji Takumi
- Ayako Kawahara
- Reira Kijima
- Masatô Ibu
- Keitaô Taura
- Yûko Nakazawa
- Kana Ejima
- Sôsuke Takaoka
- Sôsuke Murasame
- Naomi Nishida
- Yumiko Yashiro
- Shin Yazawa
- Reporter
- Hiroko Yakushimaru
- Yôko Kaneda
- Minori Terada
- Narrator
- Rena Tanaka
- Asuka Ashizawa
- Satoshi Tsumabuki
- Furin sales person
- Hiroshi Abe
- Shôichirô Kaneda
- Akira Emoto
- Yûnosuke Ãtsuka
- Katsuo Nakamura
- Tatsuzô Ayabe
- Alistair Abell
- PX Syndicate Chief
- Doug Abrahams
- Dr. Bigfire
- James Blight
- Ginji
- Don Brown
- Chief Otsuka
- Trevor Devall
- Prof. Kaneda / Man in Black (voice)
- Michael Dobson
- Ryusaku Murasame
- Brian Drummond
- Kenji Murasame
- Mark Gibbon
- Velanade
- Maryke Hendrikse
- Miss Takamizawa
- Michael Kopsa
- Prof. Shikishima
- Nicole Leroux
- Miss Takamizawa (Eps 3-10)
- Alison Matthews
- Narrator
- Naoyuki Morita
- Kenta Matsukawa
- Richard Newman
- Chief Secretary
- Akira Ohashi
- mo-cap actor for Tetsujin The Iron Man
- Philip A. Pacaud
- Det. Seki
- Jason Simpson
- Chief Chloroform
- Yasunari Takeshima
- News Reporter
- Reece Thompson
- Shotaro Kaneda
- French Tickner
- Dr. Furanken
- Nathan Tipple
- Shotaro Kaneda
- Andrew Toth
- Tatsu Murasame
