- Adrian Pasdar
- Â Iron Man / ... 12 episodes, 2010
- Natalia Rosminati
- Â Dr. Chika Tanaka 12 episodes, 2010
- Ben Diskin
- Â Ichiro Masuda / ... 11 episodes, 2010
- Eden Riegel
- Â Nanami Ota / ... 11 episodes, 2010
- Laura Bailey
- Â Dr. Chika Tanaka / ... 10 episodes, 2010
- Kyle Hebert
- Â Ho Yinsen / ... 10 episodes, 2010
- Neil Kaplan
- Â Minister of Defense Kuroda / ... 10 episodes, 2010
- Keiji Fujiwara
- Â Iron Man / ... 8 episodes, 2010
- Travis Willingham
- Â Nagato Sakurai 7 episodes, 2010
- Daran Norris
- Â Editor Nomura / ... 6 episodes, 2010
- Shizuka Itou
- Â Nanami Ota 6 episodes, 2010
- Takako Honda
- Â Dr. Chika Tanaka 5 episodes, 2010
- Roger Craig Smith
- Â Agent B / ... 4 episodes, 2010
- Troy Baker
- Â Agent A / ... 4 episodes, 2010
- Vic Mignogna
- Â Man in Car / ... 4 episodes, 2010
- Cindy Robinson
- Â Pepper Potts / ... 4 episodes, 2010
- Jin Yamanoi
- Â Nagato Sakurai 4 episodes, 2010
- Jamieson Price
- Â Chairman / ... 3 episodes, 2010
- Kirsten Potter
- Â Computer / ... 3 episodes, 2010
- Tony Oliver
- Â Operator / ... 3 episodes, 2010
- Sam Riegel
- Â Masked Man / ... 2 episodes, 2010
- JB Blanc
- Â Professor Michelinie / ... 2 episodes, 2010
- Michelle Ruff
- Â Secretary / ... 2 episodes, 2010
- Lex Lang
- Â Chief of Staff / ... 2 episodes, 2010
- Michael Sinterniklaas
- Â Lab Employee / ... 2 episodes, 2010
- Michael Donovan
- Â Captain / ... 2 episodes, 2010
- Hiroaki Hirata
- Â Ho Yinsen 2 episodes, 2010
- Milo Ventimiglia
- Â Wolverine 1 episode, 2010
- Mary Elizabeth McGlynn
- Â Shehla 1 episode, 2010
- Marina Inoue
- Â Aki 1 episode, 2010
- Rikiya Koyama
- Â Wolverine 1 episode, 2010
- Unshô Ishizuka
- Â Minister of Defense Kuroda 1 episode, 2010
- Ken'ichi Suzumura
- Â Sho 1 episode, 2010
- Yasuyuki Kase
- Â Cancer 1 episode, 2010
- Ryô Hirohashi
- Â Young Sho 1 episode, 2010
- Shûhei Sakaguchi
- Â Kawashima 1 episode, 2010
- Hiroe Oka
- Â Pepper Potts 1 episode, 2010