as

Yu's grandfather

as

Professor Karube

as

Professor Takashi Yabe

as

Researcher

as

Detective

as

Ichimatsu

as

Bodyguard

as

Tanaka Mitsuaki

as

Nakamura

as

Stadium guest B

as

Nakamura

as

Detective Tonami

as

Kiyomura Construction employee

as

Reporter A

as

Driver

as

Shigeo

as

Yamamoto's subordinate