Daniel Dae Kim (born August 4, 1968) is a South Korean-American actor, best known for his roles as Chin Ho Kelly in Hawaii Five-0 and Jin-Soo Kwon in Lost.
Description above from the Wikipedia article Daniel Dae Kim, licensed under CC-BY-SA, full list of contributors on Wikipedia.
When a string of bizarre murders appear in the crime-filled Hardton City, detectives Block and Bishop must investigate, while the mallet-carrying vigilante, Red Pounder, deals with other villains, while getting involved with the case.