- Tomokazu Seki
- Jiro / Kikaider
- Shôtarô Morikubo
- Ichiro / Kikaider-01
- Shinji Ogawa
- Gill Hakaider
- Mitsuko Horie
- Mieko / Bijinder
- Sayaka Ôhara
- Rieko
- Hidenari Ugaki
- Red Hakaider
- Kôichi Tôchika
- Silver Hakaider
- Takuma Suzuki
- Blue Hakaider
- Takeshi Watabe
- Shadowknight
- Ichirô Nagai
- Abbot Fûten
- Madoka Akita
- Akira
- Kazuhiko Inoue
- Rei / Kikaider-00
- Brianne Brozey
- Akira
- Dorothy Elias-Fahn
- (voice) (as Dorothy Melendrez)
- Tom Fahn
- Shadow Underling / Reporter (voice)
- Crispin Freeman
- Rei / Kikaider 00 (voice)
- Michael Gregory
- Proff. Gill
- Wendee Lee
- Mari / Bijinder (voice)
- Steve McGowan
- Blue Hakaider
- Peggy O'Neal
- Reiko{voice, English Version}
- Bob Papenbrook
- Shadow Knight
- Simon Prescott
- Reverend Fuuten
- Jamieson Price
- Shadow Underling
- Steve Prince
- Ichiro / Kikaider 0-1 (voice) (as Derek Stephen Prince)
- Michelle Ruff
- Additional Voices
- Peter Spellos
- Zadam
- Paul St. Peter
- Shadow Underling
- Steve Staley
- Shadow Androbot
- Skip Stellrecht
- Red Hakaider
- Dave Wittenberg
- Jiro / Kikaider (voice: English version)
