Characters played by Ryô Segawa
Tenma Kudô
Characters played by Asuka Shimizu
Mika Shidô
Characters played by Kôhei Takeda
Ken Shidô
Characters played by Hideaki Serizawa
Akira Dentsûin
Characters played by Maya Hoshino
Ryôko Amemiya
Characters played by Ren Matsuzawa
Jin Hakariya
Characters played by Tomohide Takahara
Naoto Matsuzaka
Characters played by Sayaka Isoyama
Ran Saotome
Characters played by Sôji Masaki
Gô Kamiya
Characters played by Shunsaku Kudô
Atsushi Misonogi (Chief of Defense)
Characters played by Mika Chiba
Karin Saeki (Akelon Agent)
Characters played by Shôichirô Akaboshi
Ichirô Horiguchi (Space Archaeologist)
Characters played by Shin'nosuke Abe
Impactor Logia (2003-2004) (as Shinnosuke Abe)
Characters played by Chisun
Impactor Lucia (2003)
Characters played by Kumi Imura
Aya Stacey (2004)