
Born 1968 in Kanagawa, Japan, Seiyo Uchino is a Japanese actor. Before taking his current stage name Seiyo Uchino in July 2013, he was known by his birth name Masaaki Uchino (both spelled 内野聖陽 in Japanese). He has received numerous awards, including the 39th Japan Academy Film Prize as Excellent Actor for his performance in the Japanese-Turkish co-production 125 Years Memory. He was married to actress Maki Ichiro from 2006 to 2011.

Jin
TV • 2009

The Files of the Young Kindaichi
TV • 1995

Welcome Home, Mone
TV • 2021

Back of Father
TV • 2014

Black Pean
TV • 2018

Asura
TV • 2025

Pararescue Jumper
TV • 2025

Samurai Banners
TV • 2007

Love Generation
TV • 1997

What Did You Eat Yesterday?
TV • 2019

The History of Our Family
TV • 2010

13 Assassins
MOVIE • 2010

Black Kite
TV • 2013

Bones of Steel
TV • 2020

Gold Sunset
TV • 2025

Leaders
TV • 2014

Gonzo: The Legendary Detective
TV • 2008

Lupin the Third vs. Detective Conan: The Movie
MOVIE • 2013