it helps if you can tell people if its kung fu comedy etc.
any female actresses as well
the guy i think is

Pak-cheung Chan aka nat chan?

and the only film i can think of with both of them is


kung fu vs acrobat

they are more with both of them though


conmen in vegas??
no risk no gain?

The movie you are looking for is called "The Crazy Companies 2", starting Andy Lau, Carol Cheng, Nat Chan, Sandra Ng, Stanley Fung, Rosamund Kwan, Lawrence Ng, and Chingmy Yau. Directed by Wong Jing.