 | Keanu Reeves als Self - Narrator (voice) |
 | Kyōko Kagawa als Self - Actress |
 | Yōko Tsukasa als Self - Actress |
 | Yoshio Tsuchiya als Self - Actor |
 | Takeshi Katō als Self - Actor |
 | Kaoru Yachigusa als Self - Actress |
 | Yōsuke Natsuki als Self - Actor |
 | Terumi Niki als Self - Actress |
 | Steven Spielberg als Self - Filmmaker |
 | Martin Scorsese als Self - Filmmaker |
 | Shirō Mifune als Self - Mifune's Eldest Son |
| Hisao Kurosawa als Self - Kurosawa's Eldest Son |
 | Teruyo Nogami als Self - Script Supervisor |
| Tadao Sato als Self - Film Historian |
 | Sadao Nakajima als Self - Filmmaker |
 | Haruo Nakajima als Self - Actor |
| Kanzō Uni als Self - Sword Fighting Choreographer |
| Wataru Akashi als Self - Publicist |
 | Koji Yakusho als Self - Actor |
 | Toshirō Mifune als Self - Actor / Various Roles (archive footage) |
 | Emperor Hirohito of Japan als Self (archive footage) |
| Yukie Kito | Producer |
| Toshiaki Nakazawa | Producer |
| Steven Okazaki | Director |
| Steven Okazaki | Editor |
| Steven Okazaki | Producer |
| Steven Okazaki | Writer |
| Michiko Matsuda | Book |
| Guy Mossman | Director of Photography |
| Eric Lin | Director of Photography |
| Nobuyuki Tohya | Executive Producer |
| Greg Knowles | Assistant Editor |
| Greg Knowles | Post Production Coordinator |
| Rikiya Mifune | Consulting Producer |
| Tōichirō Shiraishi | Producer |
| Tarō Gotō | Producer |
| Stuart Galbraith IV | Writer |
| Takeshi Hoshino | Executive Producer |
| Isao Kawauchi | Executive Producer |
| Kensuke Zushi | Producer |
| Jeffrey Wood | Original Music Composer |
| Tohru Hina | Director of Photography |
| Yasuyuki Ishikawa | Director of Photography |
| Ayano Iwane | Makeup Artist |
| Ayano Iwane | Hairstylist |
| Mitsumasa Sawada | Makeup Artist |
| Mitsumasa Sawada | Hairstylist |
| Daniel Olmsted | Sound Editor |
| Daniel Olmsted | Sound Mixer |
| Kyle Porter | Sound Recordist |
| Brandon Rein | Archival Footage Research |
| Tsuyoshi Abo | Sound |
| Katsuhiro Hidachi | Gaffer |
| Akiko Tsushima | Makeup Artist |
| Akiko Tsushima | Hairstylist |
| Allison Nakamura | Researcher |
| Mark Gorney | Researcher |
