Yōsuke Natsuki

as Kohei's Son

as Ben

as Lucky Nakaki

as Hiroji Komuro (Eiichiro’s Younger Brother)

as Male witness on rainy day (uncredited)

as Professor Makoto Hayashida

as Biologist Hayashida

as Shinichi Suruga

as Detective Shindo

as Goro Kajimoto

as Kinemon Okano

as Akimoto

as Zataki

as Yagyū Munenori

as Ryû no Samon