Kaiwan Wattanakrai (Thai: ????? ???????; RTGS: Kaiwan Watthanakrai) born April 8, 1951 in Amphoe Sam Chuk, Suphanburi Province is a Thai voice actor he work dub for over 20 years especially the voice in anime by him is also high experienced for dubbing.
His noted roles include Roronoa Zoro on One Piece, Sakuragi Hanamichi on Slam Dunk, Saeba Ryo on City Hunter, and Vegeta on Dragonball Z.