
Scénario · Né(e) en 1971 · Hong Kong, China
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".

Fight the Fight
2011
2011 · Ren Si Hai

Drunken Monkey
2003
2003 · Chan Ka Yip

尋秦記
2001
2001 · 趙德

金玉滿堂
1999
1999 · 戴东富

極度重犯
1998
1998 · Screenplay

花木蘭
1998
1998 · 徐三綱

鑑證實錄
1997
1997 · 冯达森

Full Alert
1997
1997 · Screenplay

悍匪
1996
1996 · Writer

迷姦犯
1995
1995 · Writer

新房客
1995
1995 · Writer

真相
1995
1995 · Screenplay

刑事偵緝檔案
1995
1995 · 谢耀楷 Tse Yiu Kai

夢差人
1994
1994 · Screenplay

初生之犢
1994
1994 · Screenplay

山雞變鳳凰
1994
1994 · Writer

壹號皇庭
1992
1992 · Kenneth(程若晖友)