Elenco - The Japanese Belly Button
緑魔子
Helen Amatsu / Momoe / Junko
美輪明宏
Business man / Yakuza / Assistant professor
ハナ肇
Dry cleaning shop owner / Lorry driver / Lighting man
なべおさみ
Professor / Funayama
佐藤蛾次郎
Hattori / Pianist
草野大悟
Judge / Yaneura / Comedian
三谷昇
Railway assistant / Takada / Comedian
小松方正
Right wing / Ishii, the strip theatre owner
東てる美
Ex-singer / Tome / Stripper
熊倉一雄
Helen's father