Khigh Alx Dhiegh was an American television and motion picture actor of Anglo-Egyptian Sudanese ancestry, noted for portraying East Asian roles. He is perhaps best remembered for portraying villains, in particular his recurring TV guest role as Chinese agent Wo Fat on Hawaii Five-O, and brainwashing expert Dr. Yen Lo in 1962's The Manchurian Candidate. He also starred in the short-lived 1975 TV series Khan! As the title character.