Sin Yan-Kau (???) and Sin Yan-Kau (???) are the same person.

If nobody stops me in 10 days I will merge them.

merge

Sin Yan-Kau
???

Filmography (1999-2007)

Actor
King of Comedy (1999)
What Is a Good Teacher (2000) ... Principal
House of the Invisibles (2007) ... man in pajama's


and

Sin Yan-Kau
???

Filmography (1999-2003)

Actor
A Sword of Damocles (1999)
The Tricky Master (1999) ... gambler
Tiramisu (2002) ... waiter
The S-Files: Sex Salon (2003) ... Mr Ho