Sammy Lau’s uncle is legendary Hong Kong film director and superstar Lau Kar-leung. At age of five Sammy followed his father Liu Chia-yung to Taiwan to make parts in movies. In 1996 Billy Lau help young actor to sign a contract with TVB. Later, he decided to leave the TVB and made his acting career reach a new milestone. In addition to TV series, Liu Yongjian also performed in movies, such as "Taxi Judge" and "Speed Zombie".
Sammy Lau’s uncle is legendary Hong Kong film director and superstar Lau Kar-leung. At age of five Sammy followed his father Liu Chia-yung to Taiwan to make parts in movies. In 1996 Billy Lau help young actor to sign a contract with TVB. Later, he decided to leave the TVB and made his acting career reach a new milestone. In addition to TV series, Liu Yongjian also performed in movies, such as "Taxi Judge" and "Speed Zombie".
