Mysterious Monster Expert?!

Mami Koyama

Arale Norimaki (voice)

Kenji Utsumi

Senbei Norimaki (voice)

Mitsuko Horie

Obotchaman (voice)

Kazuko Sugiyama

Akane Kimidori (voice)

Naomi Jinbo

Aoi Kimidori / Piisuke Soramame (voice)

Isamu Tanonaka

Gala (voice)

Hiroshi Otake

King Nikochan (voice)

Mariko Mukai

Midori Yamabuki (voice)

Masaharu Sato

Pagos (voice)

Seiko Nakano

Gatchan (voice)

Shigeru Chiba

Nikochan's Servant (voice)

Tessyo Genda

Suppaman (voice)

Toshio Furukawa

Tarou Soramame (voice)

Yuko Mita

Turbo-kun (voice)

Chika Sakamoto