Roy Cheung Yiu-Yeung ( pinyin: Zhāng Yàoyáng; born 20 July 1964 in Hong Kong) is a Hong Kong-based actor, best known on-screen for his roles as Triad gangsters in a number of films.
Known For: Acting
Birthday: 1964-07-20
Place of Birth: Hong Kong, British Crown Colony [now China]
Also Known As: