Masayori "Masi" Oka (岡 政偉, Oka Masayori, December 27, 1974) is a Japanese actor, producer, and digital effects artist who became widely known for starring in NBC's Heroes as Hiro Nakamura, for which he was nominated for the Primetime Emmy Award for Outstanding Supporting Actor in a Drama Series, and in CBS's Hawaii Five-0 as Doctor Max Bergman.
Source : Wikipedia
