- Yuka Nanri
- Â Henrietta 13 episodes, 2003-2004
- Hidenobu Kiuchi
- Â Jose 13 episodes, 2003-2004
- Laura Bailey
- Â Henrietta 13 episodes, 2003-2004
- John Burgmeier
- Â Jose 13 episodes, 2003-2004
- Mitsuru Miyamoto
- Â Jean 10 episodes, 2003-2004
- Hiroshi Shimozaki
- Â Giorgio / ... 10 episodes, 2003-2004
- Eric Vale
- Â Jean 10 episodes, 2003-2004
- Kanako Mitsuhashi
- Â Rico 9 episodes, 2003-2004
- Eri Sendai
- Â Triela 9 episodes, 2003-2004
- Caitlin Glass
- Â Triela 9 episodes, 2003-2004
- Luci Christian
- Â Rico 9 episodes, 2003-2004
- Ami Koshimizu
- Â Claes 8 episodes, 2003-2004
- Makoto Tomita
- Â Terrorist / ... 8 episodes, 2003-2004
- Alesa Watson
- Â Claes 8 episodes, 2003-2004
- Hiroshi Yanaka
- Â Section 2 Director Lorenzo 7 episodes, 2003-2004
- Masami Iwasaki
- Â Alfonso 7 episodes, 2003-2004
- Troy Baker
- Â Alfonso 7 episodes, 2003-2004
- Mark Stoddard
- Â Lorenzo 7 episodes, 2003-2004
- Masashi Ebara
- Â Hirscher 6 episodes, 2003-2004
- Norihiro Inoue
- Â Marco 6 episodes, 2003-2004
- Rie Nakagawa
- Â Ferro 6 episodes, 2003-2004
- Takeshi Maeda
- Â Amadeo / ... 6 episodes, 2003-2004
- Dameon Clarke
- Â Hilshire 6 episodes, 2003-2004
- Jim Foronda
- Â Marco 6 episodes, 2003-2004
- Cynthia Cranz
- Â Ferro 5 episodes, 2003-2004
- Hitomi Terakado
- Â Angelica 4 episodes, 2003-2004
- Christopher Sabat
- Â Boss / ... 4 episodes, 2003-2004
- Monica Rial
- Â Angelica 4 episodes, 2003-2004
- Kent Williams
- Â Additional Voices / ... 4 episodes, 2003
- Yuichi Tsuchiya
- Â Man / ... 3 episodes, 2003
- Mike McFarland
- Â Franco / ... 3 episodes, 2003-2004
- Mamiko Noto
- Â Elsa 2 episodes, 2004
- Shûichi Ikeda
- Â Pietro Fermi 2 episodes, 2004
- Risa Mizuno
- Â Elenora Gabrielli 2 episodes, 2004
- Masashi Hirose
- Â Dr. Donato 2 episodes, 2003
- Eisuke Tsuda
- Â Lauro 2 episodes, 2004
- Tetsuo Komura
- Â Section 1 Director Draghi 2 episodes, 2004
- Chisa Yokoyama
- Â Franca 2 episodes, 2003-2004
- Harî Kaneko
- Â Boss 2 episodes, 2003
- Shintarô Sonooka
- Â Franco 2 episodes, 2003-2004
- Stephanie Young
- Â Franca 2 episodes, 2003-2004
- David Stroh
- Â Amadeo 2 episodes, 2003-2004
- Phil Parsons
- Â Additional Voices 2 episodes, 2003
- Brina Palencia
- Â Elsa 2 episodes, 2004
- Robert McCollum
- Â Lauro 2 episodes, 2004
- Ashley Gonzales
- Â Elenora 2 episodes, 2004
- Chô
- Â Mario Bossi 1 episode, 2003
- Ken'yû Horiuchi
- Â Raballo 1 episode, 2003
- Kôji Ishii
- Â Enzo 1 episode, 2003
- Hitoshi Nishimura
- Â Philippe 1 episode, 2003
- Naoki Tatsuta
- Â Christiano 1 episode, 2003
- Takumi Yamazaki
- Â Dr. Bianchi 1 episode, 2003
- Takahiro Hirano
- Â Section 1 Staff A 1 episode, 2003
- Taiten Kusunoki
- Â Marcello 1 episode, 2003
- Yuriko Fuchizaki
- Â Patrizia 1 episode, 2003
- Kei Majima
- Â Enrico 1 episode, 2003
- Hiroshi Yoshikawa
- Â Tonmazo 1 episode, 2003
- Tomo Saeki
- Â Emilio 1 episode, 2003
- Takehiro Hasu
- Â Inspector Baracchi 1 episode, 2004
- Shizuka Okohira
- Â Olga 1 episode, 2003
- Shingo Hiromori
- Â Dr. Masi 1 episode, 2003
- Mayumi Akado
- Â Bureau Director Maria Petris 1 episode, 2004
- Masami Suzuki
- Â Priscilla 1 episode, 2003
- Colleen Clinkenbeard
- Â Priscilla 1 episode, 2003
- Kyle Hebert
- Â Mario Bossi 1 episode, 2003
- Chuck Huber
- Â Dr. Bianchi 1 episode, 2003
- Sonny Strait
- Â Philippe 1 episode, 2003
- Greg Ayres
- Â Emilio 1 episode, 2003
- Meredith McCoy
- Â Patricia 1 episode, 2003
- R. Bruce Elliott
- Â Dr. Donato 1 episode, 2003
- Grant James
- Â Dr. Masi 1 episode, 2003
- Julie Mayfield
- Â Olga 1 episode, 2003
- Bill Flynn
- Â Raballo 1 episode, 2003
- Ed Blaylock
- Â Draghi 1 episode, 2004
- Ian Sinclair
- Â Additional Voices unknown episodes
- Dave Trosko
- Â Additional Voices unknown episodes
- Wendy Powell
- Â Additional Voices unknown episodes
- Bob Carter
- Â Additional Voices unknown episodes
- Mark Lancaster
- Â Additional Voices unknown episodes
- Orion Pitts
- Â Additional Voices unknown episodes
- Chad Cline
- Â Additional Voices unknown episodes
- Michael Hickman
- Â Additional Voices unknown episodes
- Andrew Rye
- Â Additional Voices unknown episodes