- Tomokazu Seki
- Â Jiro / ... 3 episodes, 2000
- Yui Horie
-  Mitsuko Kômyôji 3 episodes, 2000
- Yumiko Kobayashi
-  Masaru Kômyôji 3 episodes, 2000
- Keaton Yamada
- Â Hanpei Hattori 3 episodes, 2000
- Etsuko Kozakura
- Â Etsuko Sarutobi 3 episodes, 2000
- Shinji Ogawa
- Â Professor Gill Helbert 3 episodes, 2000
- Jûrôta Kosugi
- Â Hakaider / ... 3 episodes, 2000
- Shôzô Îzuka
-  Dr. Den Kômyôji 3 episodes, 2000
- Minami Takayama
- Â Chigusa Sakamoto 3 episodes, 2000
- Dave Wittenberg
- Â Jiro / ... 2 episodes, 2000
- Kirk Baily
- Â Ichiro 1 episode, 2000
- Steve Blum
- Â Hakaider / ... unknown episodes
- Barbara Goodson
- Â Masaru Komyoji unknown episodes
- Kirk Thornton
- Â Hanpei Hattori unknown episodes
- Michael Gregory
- Â Professor Gill unknown episodes
- Wendee Lee
- Â Miyuki unknown episodes
- Lex Lang
- Â Carmine Spider unknown episodes
- Mona Marshall
- Â Boy A unknown episodes
- Michael McConnohie
- Â Golden Bat unknown episodes
- Melissa Fahn
- Â Etsuko Sarutobi unknown episodes
- Sandy Fox
- Â Additional Voices unknown episodes
- Dan Woren
- Â Additional Voices unknown episodes
- Dorothy Elias-Fahn
- Â Additional Voices unknown episodes
- Peter Spellos
- Â Additional Voices unknown episodes
- Michael Lindsay
- Â Additional Voices unknown episodes
- Lia Sargent
- Â Mitsuko Komyoji unknown episodes
- Steve Apostolina
- Â Additional Voices unknown episodes
- Bob Papenbrook
- Â Additional Voices unknown episodes
- Brianne Brozey
- Â Boy B unknown episodes
- Richard Cansino
- Â Carmine Spider unknown episodes
- Peter Lurie
- Â Additional Voices unknown episodes
- Rebecca Forstadt
- Â Girl with Cat unknown episodes
- Christopher Carroll
- Â Dr. Komyoji unknown episodes
- Carol Stanzione
- Â Additional Voices unknown episodes
- Peggy O'Neal
- Â Additional Voices unknown episodes
- Peter Doyle
- Â Additional Voices unknown episodes
- Susan Marque
- Â Additional Voices unknown episodes
