| Wild Tiger/Kaburagi T. Kotetsu | Hirata Hiroaki |
| Kaburagi T. Kotetsu (Boyhood) | Tamura Mutsumi |
| Barnaby Brooks Jr. | Morita Masakazu |
| Barnaby Brooks Jr. (Boyhood) | Nagayoshi Yuka |
| Blue Rose/Karina Lyle | Kotobuki Minako |
| Rock Bison/Antonio Lopez | Kusunoki Taiten |
| Sky High/Keith Goodman | Inoue Gou |
| Dragon Kid/Pao-Lin Huang [Huang Pao-Lin] | Ise Mariya |
| Origami Cyclone/Ivan Karelin | Okamoto Nobuhiko |
| Fire Emblem/Nathan Seymour | Tsuda Kenjirou |
| Albert Maverick | Fukuda Nobuaki |
| Alexander Lloyds | Yokojima Wataru |
| Agnes Joubert | Kaida Yuuko |
| Cain | Katsunuma Kiyoshi |
| Switcher: Mary | Fushida Riho |
| Mario | Oota Shinichirou |
| Doc Saito [Saitou-san/Mechanic Saitou] | Iwasaki Hiroshi |
| Ben Jackson | Houki Katsuhisa |
| Kaede Kaburagi [Kaburagi Kaede] | Hidaka Rina |
| Yuri Petrov/Lunatic | Yusa Kouji |
| Jake Martinez | Fujiwara Keiji |
| Kriem | Neya Michiko |
| Tony (ep.2) | Yonaga Tsubasa |
| Paulie (ep.5) | Nara Tooru |
| Edward (ep.8) | Hatano Wataru |
| Marie (ep.9) | Oohara Sayaka |
| Lilly (ep.9) | Endou Aya |
| Mary (ep.9) | Nakahara Mai |
| Hans Chuckman | Miyake Kenta |
| Anju Kaburagi [Kaburagi Anju] | Sadaoka Sayuri |
| Sam | Koorogi Satomi |
| Mayor | Ueda Youji |
| Mob Girl | Ise Mariya |
| Legend | Kosugi Juurouta |
| Helios Energy CEO | Kobayashi Mina |
| Man | Hirota Minoru |
| Kriem's Mother | Katakai Kaoru |
| Dragon Kid's Father | Iwasaki Masanori |
| Commentary | Himeno Keiji |
| Samantha | Takemura Yoshiko |
| Boy | Nishi Yuuko |
