Kaori Nazuka as Eureka Thurston (voice)

Rina Endou as Iris McKenzie (voice)

Koji Tsujitani as Dewey Novak (voice)

Ami Koshimizu as Anemone Fuka Ishii (voice)

Toshiyuki Morikawa as Holland Novak (voice)

Hiroyuki Kinoshita as Mark McKenzie (voice)

Mayuno Yasokawa as Saoirse McKenzie (voice)

Banjo Ginga as Dr. Greg "Bear" Egan (voice)

Jurota Kosugi as Charles Beams (voice)

Aya Hisakawa as Ray Beams (voice)

Sayaka Senbongi as Red Two (voice)

Megumi Han as Chime (voice)

Asami Seto as Ex Tra (voice)

Mao Ichimichi as Killa Pomato (voice)

Yu Shimamura as La Tino Sueno (voice)

Sumire Morohoshi as Lala Land (voice)

Yoko Soumi as Mischa Stravinskaya (voice)

Michiko Neya as Talho Novak (voice)

Yuuko Hara as Aya Shibata (voice)

Megumi Toyoguchi as Ruri Flame (voice)

Hiro Shimono as Sumner Sturgeon (voice)

Bin Sasaki as Endo (voice)

Shigeru Ushiyama as Jim McCarthy (voice)

Jin Urayama as Alfred Golby (voice)

Mamoru Miyano as Moondoggie (voice)

Fumie Mizusawa as Gidget (voice)

Shin-ichiro Miki as Banks D. Jacobs (voice)

Seiji Sasaki as Oliver Braun (voice)

Takashi Onozuka as Ramon Zimmer (voice)

Cho as Woz Niak (voice)

Yuko Sanpei as Renton Beams Thurston (voice)

Koichi Yamadera as Dewey Novak (voice)