- Jason Beck
- M.D. Geist
- Joan Baker
- Vaiya
- Dave Couch
- Colonel Krutes
- Kip Kaplan
- Marsh
- Barry Papick
- Additional Voices
- Gordon Miller
- Additional Voices
- Michael Pascuzzi
- Additional Voices
- Hideko Akashi
- Additional Voices
- Isshin Chiba
- Sakamoto (Director's Cut)
- Hisao Egawa
- Golem (Director's Cut)
- Keiji Fujiwara
- Hans (Director's Cut)
- Banjô Ginga
- Gista
- Michael Goldwasser
- Additional Voices
- Michael Goldwasser
- (voice)
- Makoto Higo
- Additional Voices (Director's Cut)
- Fumi Hirano
- Vaiya (Director's Cut)
- Hideyuki Hori
- Hans
- Unshô Ishizuka
- Kurtz (Director's Cut)
- Michitaka Kobayashi
- Additional Voices
- Yasunori Masutani
- Beast (Director's Cut)
- Rica Matsumoto
- Vaiya
- Takashi Nagasako
- Gista (Director's Cut)
- Toshihiko Nakajima
- Additional Voices (Director's Cut)
- Seiko Nakano
- Additional Voices
- Kazuhiro Nakata
- M.D. Geist (Director's Cut)
- Akio Nojima
- Kurtz
- Tomokazu Seki
- Mash (Director's Cut)
- Kazumi Tanaka
- Additional Voices
- Naoki Tatsuta
- Sakamoto
- Kôji Totani
- Additional Voices
- Norio Wakamoto
- M.D. Geist
- Takeshi Watabe
- Golem
- Yûsaku Yara
- Beast
- Kunihiko Yasui
- Additional Voices (Director's Cut)
- Shinya Ôtaki
- Additional Voices
