James Tomio Saito (born March 6, 1955) is an American actor of stage, motion pictures, and television. He is best known for his physical portrayal of The Shredder in the 1990 film Teenage Mutant Ninja Turtles; the character was voiced by David McCharen. Saito also appeared in films like The Devil's Advocate, Home Alone 3, Pearl Harbor, and Die Hard with a Vengeance. His TV credits include M*A*S*H, MacGyver, Law & Order, and Sex and the City.
Saito has appeared in numerous stage productions, with early career work at the Asian American theatre company East West Players in Los Angeles. On Broadway he has appeared in The King and I, and David Henry Hwang's Golden Child. He won an Obie Award in 2007 for his performance in Julia Cho's Durango at The Public Theater in New York City.
Saito starred in the regular supporting role of Dr. Chen in the ABC drama Eli Stone.