花江夏樹

Ken 'Okarun' Takakura (voice) / Self

若山詩音

Momo Ayase (voice) / Self

水樹奈々

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

田中真弓

Turbo Granny (voice)

中井和哉

Serpoian A / Serpoian B / Serpoian C (voice)

前田佳織里

Miko (voice)

富田美憂

Muko (voice)

綿貫竜之介

Momo's Boyfriend (voice)

田中光

Male Student A (voice)

谷口誠太郎

Male Student B (voice)

小橋里美

Elementary School Boy (voice)

風間万裕子

Elementary School Boy (voice)

大友龍三郎

Flatwoods Monster (voice)

柏崎隼史

Shoma (voice)

関幸司

TV Station Producer (voice)

閻子丹

Assistant Producer (voice)

玉野井直樹

Taxi Driver (voice)

谷口恵美

TV Announcer (voice)

元吉有希子

Female Servant (voice)