This is obviously a mistake (see credits for Fearless Hyena), and Wang Yao-Heng just needs deleting.

if nobody stops me in 15 days I will merge them.

merged

Wang Yao-Heng
王耀姮

Actor
The Fearless Hyena (1979)

and

Wong Yiu (2) ♂
王耀
Cantonese: Wong Yiu
Mandarin: Wang2 Yue4
Aliases: Wang Yao, Wong Yiu-Hang, Wang Yao-Heng, Wang Yue, Wang Yao-Yuan
Aliases: 王耀恆, 王耀垣

Action Director
Peculiar Boxing Tricks and the Master (1978)
Invincible Kung Fu Legs (1980)
Island Warriors (1981)
The Frogman (1981)
Seven Knights (1982)
Young Dragons - Kung Fu Kids II (1986)
Little Kids Beat the Boss (1990)
A Lang A Lang (1990)
Lucky Dragon (1991)
Retreat of the Godfather (1991)
Raiders of Loesing Treasure (1992)
The Buddhist Spell (1993)
Director
Raiders of Loesing Treasure (1992)
Assistant Action Director
Spiritual Kung Fu (1978)
Dragon Fist (1979)
Butterfly Sword (1993)
The Bride With White Hair (1993)
The Bride With White Hair 2 (1993)
Actor
Marco Polo (1975) ... Mongolian soldier [extra]
Boxer Rebellion (1975) ... extra
Dance of Death (1976)
Shaolin Temple (1976) ... extra
Seven Man Army (1976) ... casino security
New Shaolin Boxers (1976) ... Zhou's martial arts student
Knife of Devil's Roaring and Soul Missing (1976) ... extra
Green Dragon Inn (1977)
Iron Fists (1977) ... guard / thug
The Iron Monkey (1977) ... Shaolin student
Secret of Chinese Kung Fu (1977)
Magnificent Wanderers (1977) ... Mongol fighter/soldier
Four Hands of Death (1977)
Fists of Dragons (1977) ... extra
Phantom Kung Fu (1978)
Dragon of the Swordsman (1978)
The Hero Tattooed with Nine Dragons (1978)
Spiritual Kung Fu (1978)
Half a Loaf of Kung Fu (1978)
Dragon Fist (1979) ... Wing's student
The Fearless Hyena (1979)
Master and the Kid (1980)
Invincible Kung Fu Legs (1980)
Counter Attack (1981) ... student at gym
Seven Knights (1982)
Super Dragon (1982) ... extra
Ninja in the Dragon's Den (1982)
36 Super-Kids (1982)
Shaolin Drunkard (1983)
Taoism Drunkard (1984)
Drunken Tai Chi (1984) ... Ta Sha's friend
The Young Taoism Fighter (1986)
A Heroic Fight (1986)
Young Dragons - Kung Fu Kids II (1986) ... referee
Hero of Tomorrow (1988) ... extra in Taiwan
Dull Ice Flower (1989)
Little Kids Beat the Boss (1990)
Island of Fire (1990) ... extra
A Lang A Lang (1990)
Lucky Dragon (1991)
Retreat of the Godfather (1991)
Butterfly Sword (1993) ... extra
End of the Road (1993)
Crime Story (1993) ... Kidnapper
Daughter of Killer (1995)
Untold Story (1995)
Clan of Amazons (1996)
Crazy Mission (1997)
The Island of Greed (1997) ... triad member