Masi Oka is a Japanese-American actor and producer, best known for his role as Hiro Nakamura in the television series Heroes. Born on December 27, 1975, in Tokyo, Japan, he moved to the United States at a young age and later graduated from Brown University with a degree in computer science. In addition to acting, Oka has worked in the field of visual effects, contributing to films like The Matrix. He has also appeared in various other TV shows, including Hawaii Five-0 and Scrubs, showcasing his versatility as an entertainer.