Nicholas Cheung Ka-fai is a Hong Kong actor, singer and director. He is known for his role in Beast Stalker for which he won Hong Kong Film Critics Society Award for Best Actor.

Beast Stalker is a 2008 Hong Kong action thriller film directed by Dante Lam. The film stars Nicholas Tse, Nick Cheung, Zhang Jingchu and Liu Kai-chi. The film is about a traffic car accident that changes multiple people's lives forever.