Louis Ozawa Changchien (born October 11, 1975) is an American actor best known for his role in the films The Bourne Legacy (2012) and Jack Ryan (2023), and for his role as members of the Kawakami family in the Predator and Alien vs. Predator franchises, including Hanzo Kawakami in Predators (2010), Eiji Kawakami in ' (2022), and Kenji and Kiyoshi Kawakami in ' (2025).
Changchien was born in Queens, New York, and was raised in New York City and Japan. His father was Taiwanese and his mother was a Japanese jewelry designer. He attended Riverdale Country School as well as Stuyvesant High School before graduating from the University of California, Davis, with a bachelor's degree in biology and later earned a Master of Fine Arts (M.F.A.) in acting from Brown University.
Changchien first appeared in the 1999 film On the Q.T. as Kenneth. Since then, he has appeared in many popular films, including Robot Stories, Fair Game, Predators and The Bourne Legacy. He also has made guest appearances on such shows as, Law & Order, 3 lbs., Heroes and Villains, Lights Out and Blue Bloods.