- Hiroshi Nagano
- Â Daigo Madoka 52 episodes, 1996-1997
- Takami Yoshimoto
- Â Rena Yanase 52 episodes, 1996-1997
- Akitoshi Ohtaki
- Â Seiichi Munakata / ... 52 episodes, 1996-1997
- Shigeki Kagemaru
- Â Tetsuo Shinjou 52 episodes, 1996-1997
- Yoichi Furuya
- Â Jun Yazumi / ... 52 episodes, 1996-1997
- Mio Takaki
- Â Captain Megumi Iruma / ... 52 episodes, 1996-1997
- Yukio Masuda
- Â Masami Horii 51 episodes, 1996-1997
- Wayne Grayson
- Â Daigo Madoka / ... 36 episodes, 1996-1997
- Sebastian Arcelus
- Â Jun Yazumi 35 episodes, 1997
- Yuji Machi
- Â Ultraman Tiga 33 episodes, 1996-1997
- Tamio Kawaji
- Â TPC General Souichirou Sawai 23 episodes, 1996-1997
- David Wills
- Â Souichiro Sawai 17 episodes, 1996
- Ken Okabe
- Â TPC Military Bureau Chief Tetsuji Yoshioka 11 episodes, 1996-1997
- Christopher Collet
- Â Tetsuo Shinjoh 11 episodes, 1996-1997
- Kei Ishibashi
- Â TPC Nurse Mayumi Shinjou 10 episodes, 1996-1997
- Megan Hollingshead
- Â Megumi Iruma 8 episodes, 1997
- Uketa Take
- Â TPC Staff Officer Masayuki Nahara 7 episodes, 1996-1997
- Takako Kitagawa
- Â Reiko Kashimura / ... 7 episodes, 1996-1997
- Minako Osanai
- Â Yuzare 5 episodes, 1996-1997
- Issei Futamata
- Â Narrator 5 episodes, 1996
- Shunsuke Gondo
- Â Ultraman Tiga 5 episodes, 1996
- Kôji Nakamura
- Â Ultraman Tiga 5 episodes, 1996
- Minori Terada
- Â Dr. Masachika Nezu / ... 3 episodes, 1997
- Machiko Shimasaki
- Â Sayaka Ijuin 2 episodes, 1996-1997
- Priscilla Everett
- Â Reporter / ... 2 episodes, 1996-1997
- Richard Hoefer
- Â TPC Director Miyazawa / ... 2 episodes, 1996-1997
- Brad Warner
- Â TPC member, Gutswing Blue Tornado Platoon member 2 episodes, 1996-1997
- Ted Lewis
- Â Pilot Tasaka / ... 2 episodes, 1996
- Masaki Kyômoto
- Â Shin Hayate 2 episodes, 1997
- Kaneomi Oya
- Â Dr. Taniguchi 2 episodes, 1997
- Yuka Koide
- Â Asami 2 episodes, 1997
- Takashi Kora
- Â Keigo Masaki / ... 2 episodes, 1997
- Ryoma Sasaki
- Â Ryosuke Sanada 1 episode, 1996
- Jun Takigawa
- Â TPC Director Miyazawa 1 episode, 1997
- Kana Yamazaki
- Â Reporter 1 episode, 1997
- Erica Schroeder
- Â Rena Yanase 1 episode, 1996
- Mike Pollock
- Â Professor Ezaki 1 episode, 1996
- Gregory Abbey
- Â Fisherman 1 episode, 1996
- James Carter Cathcart
- Â Masami Horii 1 episode, 1996
- Kathleen Delaney
- Â Captain Ishigaki 1 episode, 1996
- Roxanne Beck Raye
- Â Reiko Kashimura 1 episode, 1996
- David Moo
- Â Seiichi Munakata 1 episode, 1996
- Richard Will
- Â Space Development Bureau Chief 1 episode, 1996
- Hozumi Gôda
- Â Uemura 1 episode, 1996
- Shogo Shiotani
- Â Fugitive Alien 1 episode, 1996
- Shinji Nomura
- Â Chief at Mining Site 1 episode, 1996
- Shelley Sweeney
- Â Professor Rosalind Holhes 1 episode, 1996
- Shigeru Araki
- Â Omi Yanase 1 episode, 1996
- Tamio Ishikura
- Â Space Development Bureau Chief 1 episode, 1996
- Zach Lieber
- Â Ricky 1 episode, 1996
- Minako Igarashi
- Â Captain Ishigaki 1 episode, 1996
- Masayoshi Nakagawa
- Â Space Development Bureau Staff A 1 episode, 1996
- Tsuneyuki Hasegawa
- Â Pilot Tasaka 1 episode, 1996
- Takuya Hiramitsu
- Â Ota 1 episode, 1996
- Hiroshi Kawasaki
- Â Kagetatsu 1 episode, 1996
- Shun Hirosawa
- Â Alien Regulan 1 episode, 1996
- Kimiyuki Araya
- Â Professor Ezaki 1 episode, 1996
- Shayne Dukevitch
- Â Marnie Shinjoh 1 episode, 1996
- Yûko Daike
- Â Tomoko Kitami 1 episode, 1997
- Yôji Matsuda
- Â Adam 1 episode, 1997
- Masanori Machida
- Â Space Demon Charija 1 episode, 1997
- Mansaku Fuwa
- Â Yamamoto 1 episode, 1997
- Naomasa Musaka
- Â Attraction Show Theater Leader 1 episode, 1997
- Hiroshi Tsuburaya
- Â Hajime Tsuburaya 1 episode, 1997
- Guts Ishimatsu
- Â Majiro Hoshino 1 episode, 1997
- Sayaka Kamiya
- Â Yuri Tezuka (Teen) 1 episode, 1997
- Tamotsu Ishibashi
- Â Tatsumura 1 episode, 1997
- Machiko Naka
- Â Yuri Tezuka (Old) 1 episode, 1997
- Kyûsaku Shimada
- Â Doctor Chihiro 1 episode, 1997
- Yûsuke Takita
- Â Eiji Tsuburaya 1 episode, 1997
- Shôichirô Akaboshi
- Â Noodle Shop Vendor / ... 1 episode, 1997
- Motoko Nagino
- Â Yukina Hazuki 1 episode, 1997
- Masami Horiuchi
- Â Dr. Kurita 1 episode, 1997
- Hiroyuki Okita
-  Tetsuo Kinjô 1 episode, 1997
- Naoki Miyashita
- Â Makio Kirino 1 episode, 1997
- Miyuki Kojima
- Â Miyuki Baba 1 episode, 1997
- Rika Kanetsuna
- Â Terra 1 episode, 1997
- Noriko Tanaka
- Â Maya Cruz 1 episode, 1997
- Jun Yuzuhara
- Â Ryosuke Sanada 1 episode, 1997
- Eisuke Tsunoda
- Â Katsuma Ikuta 1 episode, 1997
- Misato Hayase
- Â Michiru Ezaki 1 episode, 1997
- Yukina Kurisu
- Â Karen E90 1 episode, 1997
- Tom Saeba
- Â Kyoto Inui 1 episode, 1997
- Toshio Yamauchi
- Â Baba 1 episode, 1997
- Akiko Kazami
- Â Yorie Miura 1 episode, 1997
- Mao Tsutsui
- Â Makio Kirino (Child) 1 episode, 1997
- Hiroshi Kitasôma
- Â Kazuhisa Tanuki 1 episode, 1997
- Tatsuya Koide
- Â Kota Baba 1 episode, 1997
- Kanako Nakatake
- Â Rie Baba 1 episode, 1997
- Minoru Sawatari
- Â Nook 1 episode, 1997
- Hideki Shirakuni
- Â Vampire Leader 1 episode, 1997
- Daisuke Nagakura
- Â Kazuho Mitsuta 1 episode, 1997
- Clement Adamson
- Â International Science Forum Committee Member 1 episode, 1997
- Tora Uganda
- Â Kato 1 episode, 1997
- Kensuke Aoshima
- Â Carlos Kobayashi 1 episode, 1997
- Misato Suzuki
- Â Eve 1 episode, 1997
- Hiroyuki Sumiwaka
- Â Fuchigami 1 episode, 1997
- Shintarô Hayasaka
- Â Jin Kinosaki 1 episode, 1997
- Daisuke Kaneko
- Â Monster (suit actor) unknown episodes
- Haruki Kitaoka
- Â Monster (suit actor) unknown episodes
- Toshio Miyake
- Â Monster (suit actor) unknown episodes