Mizuki Segawa (26 episodes, 2005-2006)
Guyver\Sho Fukamachi / Sho Fukamachi (26 episodes, 2005-2006)
Tetsurô Segawa (24 episodes, 2005-2006)
Guyver I / Shô Fukamachi / Sho Fukamachi (11 episodes, 2005-2006)
Mizuki Segawa (11 episodes, 2005-2006)
Tetsurô Segawa / Tetsuro Segawa (11 episodes, 2005-2006)
Agito Makishima / Guyver III (11 episodes, 2005-2006)
Inspector Risker / Myumelzee (9 episodes, 2005-2006)
Agent / Misawa / Announcer / Detective / Policeman (7 episodes, 2005)
Natsuki Taga / Clerk / Natsuki Tada / Nurse / Schoolgirl (6 episodes, 2005)
Agent / Kawada / Doctor / Guest (6 episodes, 2005)
Archanfel (6 episodes, 2005-2006)
Genzo Makishima (5 episodes, 2005)
Inspector Risker (5 episodes, 2005)
Kobashi / Agent / Myumelzee / Researcher (5 episodes, 2005)
Dr. Shirai (5 episodes, 2005-2006)
Additional Voices / Zoanoid Search Units (5 episodes, 2005)
Additional Voices / Fumio Fukamachi / Test Subject (5 episodes, 2005)
Additional Voices (5 episodes, 2005)
Agito Makishima (5 episodes, 2005)
Additional Voices / Kawada (5 episodes, 2005)
Richard Guyot (4 episodes, 2005)
Additional Voices (4 episodes, 2005)
Narrator (4 episodes, 2005)
Genzo (4 episodes, 2005)
Additional Voices / Misuzawa / Sandy Burger Girl (4 episodes, 2005)
Fumio Fukamichi / Fumio Fukamachi (3 episodes, 2005)
Kimura / Synevite (3 episodes, 2005)
Officer Tanaka (3 episodes, 2005)
Guest / Mizusawa / Schoolgirl (3 episodes, 2005)
Detective / Agent (3 episodes, 2005)
Commander Gregole / Detective Vamore / Additional Voices / Additional Voices Johnson / Misawa / Officer (3 episodes, 2005)
Additional Voices (3 episodes, 2005)
Kimura (3 episodes, 2005)
Zerbebuth (2 episodes, 2005)
Noskov (2 episodes, 2005)
Gregole (2 episodes, 2005)
Dyme (2 episodes, 2005)
Guyot (2 episodes, 2005)
Kobashi (2 episodes, 2005)
Natsuki (2 episodes, 2005)
Test Type (1 episode, 2005)
Natsuki's Mother (1 episode, 2005)
Agent (1 episode, 2005)
Schoolgirl (1 episode, 2005)
T.V. Newscaster (1 episode, 2005)
Young Police Officer (1 episode, 2005)
Noskov (1 episode, 2005)
Zerbebuth (1 episode, 2005)
Aptom (unknown episodes)
Imakarum Mirabilis / Masaki Murakami (unknown episodes)
Hamilcar Barcas (unknown episodes)