As I was told by Alice, who is owner of the chinese website about Ka Lok and knows him personally, Ka Lok is in Fourteen days before suicide

By the way, I think he can be seen on the poster:

I think the guy in the suit or the guy with the black sunglasses - one of them is Ka Lok, or maybe both

Yes, his name appears in the poster. Added, and also added Anita Lee and Raymond Tso.