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Shin Koyamada

小山田真 / こやまだ しん

Japanese-born Hollywood actor and karateka based in the United States

March 10, 1982 (age 44) ・ Okayama City, Okayama Prefecture, Japan

  • Born in Okayama Prefecture
  • Actor
  • Television Producer
  • Film Actor

My Take

Honestly, what gets me about Shin Koyamada is the sheer audacity of it — a kid from Okayama who decides the American film industry is where he belongs, packs up, studies at UC Riverside, and just goes for it. That's not a small leap. He showed up in The Last Samurai and held his own in a cast full of Hollywood heavyweights, and you could tell there was real martial arts discipline behind the way he moved — the guy's a karateka, and it shows in a kind of quiet physical authority that doesn't need to shout. He's not somebody who ended up in the tabloids or chased celebrity for its own sake; he seems more interested in actually building something, including producing work of his own. Born in 1982, so he's been grinding away at this for over two decades now. I find myself rooting for the understated ones who just keep showing up and doing the work rather than making noise about it.

Overview

Shin Koyamada is a Japanese actor, television producer, and martial artist born on March 10, 1982, in Okayama City, Okayama Prefecture. He relocated to the United States to pursue an acting career, appearing in both film and television productions. He holds a karate background and attended the University of California, Riverside. He stands 173 cm tall and maintains an official website as well as active social media presence.

1. Profile

Name (English)
Shin Koyamada
Name (Japanese)
小山田真
Reading
こやまだ しん
Born
March 10, 1982 (age 44)
Zodiac / Chinese zodiac
Pisces / Dog (戌)
Origin
Okayama City, Okayama Prefecture, Japan
Blood type
Private
Height
173cm
Agency
Private
Active years
Unknown
Occupation
Actor / Television Producer / Film Actor / Television Actor / Karateka

2. Background

Elementary school
Private
Junior high
Private
High school
Private
University
University of California, Riverside
Debut
Unknown

3. Relationships

Spouse
Private
Children
Private
Parents
Private
Siblings
Private

4. Personality

Motto

Private

7. About this entry

Tags

  • Born in Okayama Prefecture
  • Actor
  • Television Producer
  • Film Actor
Last updated
2026-06-02

Facts are limited to publicly available information up to 2024; non-public items are marked "Private / Unknown". English text is machine-assisted (facts translated by Sonnet, "My Take" written by Opus 4.8). The Japanese page is the source of record.