- Yasunori Matsumoto
- Osamu
- Ryôtarô Okiayu
- Jay
- Nobuo Tobita
- Kimera
- Jûrôta Kosugi
- Kianu
- Mugihito
- Ginzu
- Daisuke Gôri
- Fender
- Kinryû Arimoto
- Gibson
- Katsumi Suzuki
- Hunter
- Kiichiro Murase
- Guard
- Michiko Sato
- Announcer
- Naoki Bando
- Soldier
- Takumi Kurebayashi
- Researcher
- Yvonne Aquire
- Kimera's Mother
- Bryan Bounds
- Kianu
- Charles C. Campbell
- Additional Voices
- Jayson Carr
- Additional Voices
- Tiffany Grant
- Jay's Wife / Additional Voices (voice)
- Matt Greenfield
- Additional Voices
- Guil Lunde
- Ginzu
- Tristan MacAvery
- Jay
- Robert Peeples
- Gibson
- Dan Rockwell
- Additional Voices
- Erin Roseaire
- Secretary
- Phil Ross
- Fender
- Kim Sevier
- Kimera
- Paul Sidello
- Police, Hunter, Additional Voices
- Steve Spurgat
- Researcher
- John Swasey
- Soldier
- Lew Temple
- Guard
- Brett Weaver
- Osamu
- Jessica Williams
- Jay's Daughter
