The English cast includes Andrew Love as Masaki Murakami, Brian Jepson as Agito Makishima/Guyver III, Chris Patton as Sho Fukamachi/Guyver I, Lowell Bartholomee as Tetsuro Segawa, Luci Christian as Mizuki Segawa and Bill Wise as Richard Guyot.
Originally airing in 2005, the Guyver: The Bioboosted Armor anime series is now streaming on Hulu/Yahoo.
The Japanese cast includes Katsuyuki Konishi as Agito Makishima/Guyver III, Kenji Nojima as Sho Fukamachi/Guyver I, Kousuke Takaguchi as Tetsuro Segawa, Mitsuaki Madono as Masaki Murakami, Nana Mizuki as Mizuki Segawa, Hironori Miyata as Fumio Fukamachi, Kenichi Ogata as Genzo Makishima and Kinryuu Arimoto as Richard Guyot.
The show is available in its original Japanese language form with subtitles only with this, but all twenty-six episodes are now available.