Masaya Taki

as Study Brain (voice)

as Doctor (voice)

as Referee (voice)

as President Prominence

as Kunio Akino

as Yuzo Suzumoto

as Study Monster (voice)

as Fly Trap Monster (voice)

as 一角志郎

as Witness

as Professor Shikishima

as Iron Spider Mask (voice)

as Magician/Yo-Yo Mask (voice)