Tohoru Masamune is a Japanese–American actor. He is best known for playing Shredder in Michael Bay's Teenage Mutant Ninja Turtles (2014 film), and for the movie Inception. He played the starring role of Dr. Matt Lin in the 2019 Emmy Award and 2019 Peabody Award-winning series, ARTIFICIAL on Twitch. On stage, he has played starring roles under the direction of Tony Award winner Mary Zimmerman at the Goodman Theater, and Tony Award winner Daniel J. Sullivan at the Williamstown Theatre Festival in a premiere of Far East (play) written by Pulitzer Prize-nominated playwright A.R. Gurney. As a voice actor, he has appeared on American Dad! and Kung Fu Panda Legends of Awesomeness.