Natsuki Hanae

Ken 'Okarun' Takakura (voice) / Self

Shion Wakayama

Momo Ayase (voice) / Self

Nana Mizuki

Momo's Grandmother / Seiko (Dodoria Santa) (voice)

Mayumi Tanaka

Turbo Granny (voice)

Kazuya Nakai

Serpoian A / Serpoian B / Serpoian C (voice)

Kaori Maeda

Miko (voice)

Miyu Tomita

Muko (voice)

Ryunosuke Watanuki

Momo's Boyfriend (voice)

Hikaru Tanaka

Male Student A (voice)

Seitaro Taniguchi

Male Student B (voice)

Satomi Kobashi

Elementary School Boy (voice)

Mayuko Kazama

Elementary School Boy (voice)

Ryuuzaburou Ootomo

Flatwoods Monster (voice)

Hayato Kashiwazaki

Shoma (voice)

Koji Seki

TV Station Producer (voice)

Shitan En

Assistant Producer (voice)

Naoki Tamanoi

Taxi Driver (voice)

Emi Taniguchi

TV Announcer (voice)

Yukiko Motoyoshi

Female Servant (voice)