Proof of the Man
人間の証明
Synopsis
When an American is murdered in a Japanese inn, Tokyo police detective Munesue follows the trail of the killer to New York. There he is joined by a New York City detective named Shuftan and together they sort out the crime.
Trailers, Teasers & Extra Featurettes
Official promotional previews, behind-the-scenes footage, and exclusive clips.
Official Trailer [Subtitled]Official
Type: Trailer • Published 2025-07-22
Top Cast
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Mariko Okada
Kyoko Yasugi
Yūsaku Matsuda
Detective Munesue
George Kennedy
Ken Shuftan
Hajime Hana
Broderick Crawford
Detective O'Brien
Joe Yamanaka
Johnny Hayward
Koichi Iwaki
Kyohei Kori
Keiko Takeshita
Shizue Nakayama
Ryoko Sakaguchi
Sumiko
Junko Takazawa
Sherry
Waitress
Janet Hatta
Yukiko Mishima
Bunjaku Han
Naomi
Isao Natsuyagi
Takashi Niimi
Kōji Wada
Hideo Murota
Mizuho Suzuki
Toru Minegishi
Release History & Theatrical Window
September 9, 2025
Physical Home Media
Key Information & Fast Facts
- Director
- Junya Satō
- Screenplay & Story
- Seiichi Morimura, Zenzō Matsuyama
- Original Score
- Yuji Ohno
- Original Title
- 人間の証明
- Country of Origin
- Japan, United States of America
- Spoken Languages
- Japanese
- Runtime
- 2h 12m
- Production Studios
- KADOKAWA
Creative Leadership & Key Crew
Junya Satō
Seiichi Morimura, Zenzō Matsuyama
Yuji Ohno
Shinsaku Himeda
Jun Nabeshima
Simon Tse, Susumu Yoshida, Haruki Kadokawa
Department Leadership Roster
Junya Satō
Director
Simon Tse
Producer
Susumu Yoshida
Producer
Shinsaku Himeda
Director of Photography
Yuji Ohno
Original Music Composer
Zenzō Matsuyama
Writer
Jun Nabeshima
Editor
Haruki Kadokawa
Producer
Age Classification & Content Advisories
Official viewer rating standards and content warnings across international classification boards.
NR: Not Rated — Evaluated outside standard classification boards.
International Certification Matrix
Not Rated — Evaluated outside standard classification boards.
Production Stills & Gallery
Official cinematic photography and background stills for Proof of the Man.
Featured In Curated Collections
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Periodic import List
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List of Dolby Vision P7-FEL Films
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Frequently Asked Questions About Proof of the Man
Quick factual answers about cast, synopsis, director, box office, and release information.
What is Proof of the Man about?
When an American is murdered in a Japanese inn, Tokyo police detective Munesue follows the trail of the killer to New York. There he is joined by a New York City detective named Shuftan and together they sort out the crime.
Who directed Proof of the Man?
Proof of the Man was directed by Junya Satō.
Who stars in Proof of the Man?
The principal cast of Proof of the Man includes Mariko Okada, Yūsaku Matsuda, George Kennedy, Hajime Hana, Broderick Crawford.
When was Proof of the Man released and how long is it?
Proof of the Man was released in 1977 with a total runtime of 2h 12m.
Who composed the musical score for Proof of the Man?
The original motion picture soundtrack for Proof of the Man was composed by Yuji Ohno.
Is Proof of the Man based on a book or true story?
Proof of the Man is adapted from the following source material: Novel: "Seiichi Morimura".
What is the age rating and content advisory for Proof of the Man?
Proof of the Man holds official age classifications: US: NR (Not Rated — Evaluated outside standard classification boards.).