Louis Cheung Kai-chung (Chinese: 張繼聰, born 11 January 1980) is a Hong Kong Cantopop recording-artist, songwriter, and actor. He is an alumnus of The Hong Kong Academy for Performing Arts, majoring in acting. His first play was in 1997, and he has performed in a total of more than 20 stage plays, including the classic "A Streetcar Named Desire", as the main character, Stanley Kowalnski.