Yen-Ching Ou: Yen-Ching Ou. Actress: The Singing Killer. Yen-Ching Ou is known for The Singing Killer (1970), Vengeance! (1970) and Hak ye mau ba hoi yeung wai (1967).
Known For: The Singing Killer (A-Man), Vengeance! (Hua's sister), Hak ye mau ba hoi yeung wai (Actress), The Golden Sword (Chen Yu-Lan)
