- Takeshi Kusao
- Â Sho Fukamachi 12 episodes, 1989-1992
- Yûko Mizutani
- Â Mizuki Segawa 12 episodes, 1989-1992
- Hideyuki Tanaka
- Â Agito Makishima 12 episodes, 1989-1992
- Kôzô Shioya
- Â Tetsuro Segawa 12 episodes, 1989-1992
- Steve Blum
- Â Agito Makishima 12 episodes, 1989-1992
- Melissa Fahn
- Â Mizuki Segawa 12 episodes, 1989-1992
- Tom Fahn
- Â Sho Fukamachi 12 episodes, 1989-1992
- Victor Garcia
- Â Tetsuro Segawa 12 episodes, 1989-1992
- Hirotaka Suzuoki
- Â Masaki Murakami 6 episodes, 1990-1992
- Marvyn Byrkett
- Â Dr. Balcus 6 episodes, 1990-1992
- Steve Cassling
- Â Masaki Murakami 6 episodes, 1990-1992
- Seizô Katô
- Â Dr. Hamilcar Barcas 6 episodes, 1990-1992
- Susan Byrkett
- Â Secretary 6 episodes, 1990-1992
- Hal Cleaveland
- Â Narrator 6 episodes, 1990-1992
- Maria Kawamura
- Â Shizu 4 episodes, 1990-1992
- David Hart
- Â Mr. Makishima 4 episodes, 1989-1990
- Yasuhiro Takato
- Â Yamamoto 4 episodes, 1989-1990
- Kazumi Tanaka
- Â Aota 4 episodes, 1989-1990
- Jun Hazumi
- Â Mr. Makishima 4 episodes, 1989-1990
- Yutaka Maseba
- Â Yamamoto 4 episodes, 1989-1990
- Raymond Garcia
- Â Aota 4 episodes, 1989-1990
- Debra Rogers
- Â Shizu 4 episodes, 1990-1992
- Jûrôta Kosugi
- Â Elegen 3 episodes, 1989-1990
- Daisuke Gôri
- Â Darzerb 3 episodes, 1989-1990
- Martin Ferguson
- Â Elegen 3 episodes, 1989-1990
- Michitaka Kobayashi
- Â Nakanishi 3 episodes, 1989
- Ken'ichi Ogata
-  Yôhei Onuma 3 episodes, 1990-1992
- Dan Lorge
- Â Onuma 3 episodes, 1990-1992
- Yû Shimaka
- Â Fumio Fukamachi 3 episodes, 1990-1992
- Gary Dubin
- Â Lisker 2 episodes, 1989
- Norio Wakamoto
- Â Lisker 2 episodes, 1989
- Shinya Ôtaki
- Â Scientist A 2 episodes, 1990
- Lee Wessof
- Â Scientist 2 episodes, 1990
- Garrick Hagon
- Â Gaster (Manga UK dub) 1 episode, 1989
- Kôichi Yamadera
- Â Zerbebuth 1 episode, 1989
- Banjô Ginga
- Â Gaster 1 episode, 1989
- Bob Sessions
- Â Mr. Makishima (Manga UK dub) 1 episode, 1989
- Kôji Totani
- Â Gregole 1 episode, 1989
- Masashi Hironaka
- Â Zancrus 1 episode, 1989
- Ken Yamaguchi
- Â Vamore 1 episode, 1989
- Bill Kestin
- Â Vamour 1 episode, 1989
- Masato Hirano
- Â Malmot 1 episode, 1989
- Toshiyuki Morikawa
- Â Somlum unknown episodes
- Wataru Takagi
- Â Nealcos unknown episodes
- Hideyuki Umezu
- Â Takazato unknown episodes
- Chô
- Â Chronos Combatant 3 unknown episodes
- Hiroshi Naka
- Â Chronos Combatant 1 unknown episodes
- Hidekatsu Shibata
- Â Richard Guyot unknown episodes
- Mimi Woods
- Â Anchor unknown episodes
- Issei Futamata
- Â Aptom unknown episodes
- Mika Kanai
- Â Sachiko unknown episodes
- Chieko Honda
- Â Barcas's Aide unknown episodes
- Takumi Yamazaki
- Â Enzyme II-03, Student A unknown episodes
- Masaki Aizawa
- Â Enzyme II-04 unknown episodes
- Ikuya Sawaki
- Â ZX-Tole unknown episodes
- Hirohiko Kakegawa
- Â Enzyme II unknown episodes
- Nobuyuki Furuta
- Â Dyme unknown episodes
- Katsumi Suzuki
- Â Teacher, Announce unknown episodes
- Ken'ichi Ono
- Â Sachiko's Father unknown episodes
- Jun'ichi Sugawara
- Â Ramotith unknown episodes
- Yoshio Kawai
- Â Broiz, Enzyme II-02 unknown episodes
- Hiroyuki Oshida
- Â Chronos Combatant 2 unknown episodes
- Tomoko Maruo
- Â Mizusawa unknown episodes
- Yuka Nagamine
- Â Schoolgirl unknown episodes
- Tsutomu Takayama
- Â Chronos Combatant C unknown episodes
