Showtaro Morikubo as Koji Kabuto (voice)

Ai Kayano as Sayaka Yumi (voice)

Sumire Uesaka as Lisa (voice)

Toshihiko Seki as Tetsuya Tsurugi (voice)

Ami Koshimizu as Jun Hono (voice)

Junpei Morita as Prime Minister Yumi (voice)

Unsho Ishizuka as Dr. Hell (voice)

Keiji Fujiwara as Count Brocken (voice)

Romi Park as Baron Ashura's Female Side (voice)

Hiroyuki Miyasako as Baron Ashura's Male Side (voice)

Natsuki Hanae as Shiro Kabuto (voice)

Wataru Takagi as Boss (voice)

Masami Kikuchi as Nuke (voice)

Nana Yamaguchi as Misato (voice)

Bin Shimada as Dr. Nossori (voice)

Kozo Shioya as Dr. Sewashi (voice)

Azusa Tadokoro as Mazin Girl (voice)

Miku Ito as Mazin Girl (voice)

Okarina as Mazin Girl (voice)

Yui P. as Mazin Girl (voice)

Kappei Yamaguchi as Mucha (voice)