Another page on IMDB has him listed as Kuan-Wu Lung: nm0519066

KNOWN FOR

The 7 Grandmasters
1977
Ghostly Love
1989
The 36 Deadly Styles
1979
Return of the 18 Bronzemen
1976
Ninja Hunter
1987
Man of Nasty Spirit
1993
Born Invincible
1978
Ninja, the Violent Sorceror
1987
Five Fighters from Shaolin
1984
Death Cage
1988
Devil's Dynamite
1987
Ninja Kids
1984

FILMOGRAPHY

All
Movies
TV
Acting
26
1993
Man of Nasty Spirit
1989
Ghostly Love
1988
Death Cage
as Tang Chuan
1988
American Commando: Angel's Blood Mission
as (archive footage)
1987
Ninja Hunter
as Hung
1987
Ninja, the Violent Sorceror
1987
Devil's Dynamite
1984
Five Fighters from Shaolin
as Lau Tan, Crazy Monk
1984
Ninja Kids
1983
Who Knows About Me
1982
The Dynamite Trio
as Xiao Li
1981
Take the Rap
1981
Shaolin Temple Strikes Back
as Shaolin Drunken Monk
1980
War of the Shaolin Temple
1980
The Unbeaten 28
as Yen Chan Chin
1979
The Mystery of Chess Boxing
as Ghost Face Killer
1979
The 36 Deadly Styles
as Yuen Cheng Tien
1979
The World of Drunken Master
as Li Chan
1979
The Kings of Fists and Dollars
1978
Born Invincible
as Sa Chien
1977
The 7 Grandmasters
as Yung Chang, eldest student
1977
The Rebel of Shao-lin
as Monk (uncredited)
1977
The Shaolin Brothers
1976
Super Dragon
1976
Return of the 18 Bronzemen
as 14th Crown Prince
1974
Shaolin Kung Fu