スピーカーマン THE BOO

Ayano Kurokawa Speaker Head

Tôya Orihara Speaker Head/Classmate

Chika Suzuki Girl (Chika Nakata)

デモ田中 Coal Miner of Legend (Kouzan Tanaka)

井口昇 Tramcar-man (Coal Mine Shaft Taro)

Nancy Widow (Aiko)

Kikurin Chef

Saburô Nakata Grandfather

Yoshi Nakata Grandmother

Masayuki Denri Newspaper Delivery Man/Citizen Who Goes Mad for a Diamond

Justice Abe Master of a melon Farmhouse

Shin'ya Sawano Coal Miner/Melon Thief

Motokazu Asakura Coal Miner/Pet Dog Taro

Masato Kurokawa Coal Miner/Detective

Naoya Sawada Coal Miner/Detective/Citizen Who Goes Mad for a Diamond

Daisuke Kurokawa Coal Miner/Citizen Who Goes Mad for a Diamond