- Tesshô Genda
-  Daijirô Gô 40 episodes, 1977-1978
- Noriko Ohara
-  Hiyoshi Gô 40 episodes, 1977-1978
- Kazuyuki Sogabe
- Â Ippei Mine 40 episodes, 1977-1978
- Miyuki Ueda
- Â Megumi Oka 40 episodes, 1977-1978
- Shiraishi Yukinaga
-  Kenichi Gô 40 episodes, 1977-1978
- Osamu Ichikawa
- Â Prince Heinel 36 episodes, 1977-1978
- Shôzô Îzuka
- Â Rui Jangal / ... 35 episodes, 1977-1978
- Daisuke Maki
- Â Narrator / ... 32 episodes, 1977-1978
- Yûsaku Yara
- Â Beastman / ... 27 episodes, 1977-1978
- Tamio Ôki
-  Professor Kôzô Sakonji / ... 26 episodes, 1977-1978
- Hiroshi Masuoka
- Â Do Zule / ... 26 episodes, 1977-1978
- Seizô Katô
- Â Professor Hamaguchi / ... 17 episodes, 1977-1978
- Hideo Nihei
-  Professor Gô 13 episodes, 1977-1978
- Hirotaka Suzuoki
- Â Attendant / ... 12 episodes, 1977
- Kenji Utsumi
- Â General Do Bergan 10 episodes, 1977-1978
- Junko Hori
- Â Takko 6 episodes, 1977-1978
- Mikio Terashima
- Â Zanzibar Zu 5 episodes, 1977-1978
- Ryûsuke Shiomi
- Â Gururu 4 episodes, 1978
- Takako Kondô
-  Mitsuyo Gô 3 episodes, 1977
- Tetsuo Mizutori
- Â Cutley 2 episodes, 1977
- Hisashi Katsuta
- Â Dange 2 episodes, 1977
- Keiko Yokozawa
- Â Rosary 1 episode, 1977
- Yû Mizushima
- Â Science minister 1 episode, 1977
- Kôhei Miyauchi
- Â Sakabe 1 episode, 1977
- Kazuya Tatekabe
- Â Beastman 1 episode, 1977
- Masayuki Katô
- Â Dange 1 episode, 1977
- Fumio Matsuoka
- Â Dan 1 episode, 1977
- Toshio Furukawa
- Â Man 1 episode, 1978
- Masane Tsukayama
- Â Nakamura 1 episode, 1978
- Katsuji Mori
- Â Bernard 1 episode, 1978
- Mieko Nobusawa
- Â Nina 1 episode, 1978
- Kazuko Yanaga
- Â Kaori 1 episode, 1978
- Sandara Park
- Â Jamie Robinson / ... unknown episodes
- Joonee Gamboa
- Â Dr. Smith and Dr. Hook (Prof. Hamaguchi and Prof. Sakunji in the original Japanese) unknown episodes
- Nikki Valdez
- Â Zandra unknown episodes
- Joseph Bitangcol
- Â Prince Zardoz (Prince Heinell in the original Japanese) unknown episodes
- Ricci Chan
- Â Zuhl unknown episodes
- Dennis Trillo
- Â Steve Armstrong unknown episodes
- Cris Vertido
- Â Mark Gordon and Zuhl (Ippei Mine and Do Zuuru in the original Japanese) unknown episodes
- Noel Mallonga
- Â Narrator and Big Bert Armstrong (Daijirou Gou in the original Japanese) unknown episodes
- Dodo Crisol
- Â Prince Zardoz (Prince Heinell in the original Japanese) unknown episodes
- Geraldine Oca
- Â Little John Armstrong and Zandra (Hiyoshi Gou and Kazarin Rii in the original Japanese) unknown episodes
- Christine Bonnevie
- Â Little John Armstrong, Octo 1, Jaime Robinson, Mrs. Mary Ann Armstrong, and Zandra (Hiyoshi Gou, Takko, Megumi Oka, Prof. Mitsuyo Gou, and Kazarin Rii in the original Japanese) unknown episodes
- Chito Vicente
- Â Commander Robinson and Draco (General Oka and Jyangyaru Rui in the original Japanese) unknown episodes
- Tony Nierras
- Â Baron Rothgar (Kenichi Gou and Prof. Kentaro Gou / ... unknown episodes
