Looks like the same person:

https://hkmdb.com/db/people/view.mhtml? ... ay_set=eng

https://hkmdb.com/db/people/view.mhtml? ... ay_set=eng

https://hkmdb.com/db/people/view.mhtml? ... ay_set=eng

Opinions? Objections if I merge the names?

i fixed the (2)

Merged:

方洲
Fong Chow (2)

Filmography (1983-1986)

Actor (4 films)
The Accident (1983)
Dead Curse (1985)
My Family (1986)
Brotherhood (1986) ... Inspector Chu


and

方舟
Fong Chow

Filmography (1978-1986)

Actor (5 films)
Mr. Big (1978)
Little Mad Guy (1980)
Cream, Soda and Milk (1981) ... School principal
Mummy Dearest (1985)
The Family Strikes Back (1986)


and

方傑 ♂
Fong Kit

Filmography (1985-1995)

Actor (9 films)
Modern Detective (1985) ... Travel agency's manager
Brave Young Girls (1990)
The Thief of Time (1992)
The Greed of Man (1992)
Millionaire Cop (1993)
The Legend of the Condor Heroes (1994) ... Luk Sing-Fung
Passions Across Two Lifetimes (1995)
Fatal Assignment (1995)
Two Cops on the Beat (1995)

I chose Fong Kit as main name because more credits as the other two , but if someone with more knowledge about him thinks one of the other names is better be free to change it.