Keanu Reeves as Self - Narrator (voice)

Kyōko Kagawa as Self - Actress

Yōko Tsukasa as Self - Actress

Yoshio Tsuchiya as Self - Actor

Takeshi Katō as Self - Actor

Kaoru Yachigusa as Self - Actress

Yōsuke Natsuki as Self - Actor

Terumi Niki as Self - Actress

Steven Spielberg as Self - Filmmaker

Martin Scorsese as Self - Filmmaker

Shirō Mifune as Self - Mifune's Eldest Son

Hisao Kurosawa as Self - Kurosawa's Eldest Son

Teruyo Nogami as Self - Script Supervisor

Tadao Satō as Self - Film Historian

Sadao Nakajima as Self - Filmmaker

Haruo Nakajima as Self - Actor

Kanzō Uni as Self - Sword Fighting Choreographer

Wataru Akashi as Self - Publicist

Koji Yakusho as Self - Actor

Toshirō Mifune as Self - Actor / Various Roles (archive footage)

Emperor Hirohito of Japan as Self (archive footage)