Al Harrington (born Tausau Ta'a on December 12, 1935 in Pago Pago, American Samoa) is an American television actor. He is best known as his role as "Det. Ben Kokua" on the CBS television series Hawaii Five-O. He had previously appeared in five episodes of the series as other characters ("The Box," "The Late John Louisiana," "The Double Wall," "No Bottles... No Cans... No People" and "For a Million... Why Not?" - in all but "The Double Wall" he was cast as a villain).