Story of Rikidozan, a sumo wrestler who can only achieve limited success in Japan because he's half Korean. But when Rikidozan goes to the United States and discovers professional wrestling, he becomes a hero back home.

Sul Kyung-gu
as Rikidozan

Miki Nakatani
as Aya

Tatsuya Fuji
as Takeo Kanno

Masato Hagiwara
as Yuzuru Yoshimachi

Masakatsu Funaki
as Imura Mashahiko

Shinya Hashimoto
as Higashinami

Keiji Muto
as Harold Sakata

Mike Polchlopek
as Ben Sharpe

James Rocha
as 'Iron' Mike Sharpe

Jun Akiyama
as Kokichi Endo