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. Description above from the Wikipedia article Roy Cheung, licensed under CC-BY-SA,full list of contributors on Wikipedia.

• 無間道II (2003)

  
• 放‧逐 (2006)

  
• 黑白戰場 (2005)

  
• 枪火 (1999)

  
• 蝴蝶飞 (2008)