The Boxer's Omen

1983 · Director, Writer

The Bamboo House of Dolls

1973 · Director

Bewitched

1981 · Director

The Bod Squad

1974 · Director

Hex

1980 · Director, Writer

Killer Constable

1980 · Director

Hex vs. Witchcraft

1980 · Director

Supermen Against the Orient

1973 · Director

Corpse Mania

1981 · Director, Writer

The Criminals, Part 5: The Teenager's Nightmare

1977 · Director

The Delinquent

1973 · Director

Revenge of the Corpse

1981 · Writer

Fearful Interlude

1975 · Director

Hex After Hex

1982 · Director

Crazy Imposters

1978 · Director

Mr. Funny Bone

1976 · Director

The Criminals, Part 4: Assault

1977 · Director

The Criminals, Part 2: Homicides

1976 · Director

Ghost Eyes

1974 · Director

The Lady Professional

1971 · Director

The Criminals, Part 3: Arson

1977 · Director

Dear Murderer

1969 · Acting

Spirit of the Raped

1976 · Director

Coward Bastard

1980 · Director

Killers on Wheels

1976 · Director

Godfather from Canton

1982 · Director

Big Brother Cheng

1975 · Director

Curse of Evil

1982 · Director

Intrigue in Nylons

1972 · Director

A Time for Love

1970 · Director, Writer

The Gold Connection

1979 · Director

The Killer Snakes

1974 · Director

The Rat Catcher

1974 · Director

The Reckless Cricket

1979 · Director

Misfire

1984 · Director

Love Song Over the Sea

1970 · Director

The Teahouse

1974 · Director

The Gourd Fairy

1972 · Director

Payment In Blood

1973 · Director

Stranger in Hong Kong

1972 · Director, Writer