Nick Cheung Ka-fai (Chinese: 張家輝; born 2 December 1964) is a Hong Kong actor and director.
He was formerly a Royal Hong Kong Police officer for four years, but he left the job after his request to be transferred to the criminal investigation department was turned down. He then worked for Danny Lee's film production company. His film debut is "Thank you, Sir!", as a student at the Royal Hong Kong Cadet School. From 1989 to 1994, he worked at the television station ATV World. Later, he left ATV and joined another station, TVB. He left TVB in 2004, and worked mainly on films. His fame was built on Wong Jing's comedy at first, but he has changed his acting style for more sombre roles since 2003. He was nominated for his first Hong Kong film award in 1999, and won his first award in 2009 for his role in Beast Stalker. He has been nominated many times at the Hong Kong Film Awards and other Chinese film awards since then.