
1. Uncredited chef... I know I should know him

2. Credited as Lam Chi Pao... do we know him by a different name?

3. Jeff Kam Chun Man and Benjamin Yuen Wai Ho... but which is which? :p

4. Random stuntman/extra

5. Bernice Liu and ? Hung Chiu I guess?

6. Viann Leung...

... the only Viann we have is Viann Liang aka Leung Wai Ka:
http://www.hkmdb.com/db/people/view.mhtml?id=15639&display_set=eng
I'd assume that's Vianne Leung, except (s)he's listed as Male in the DB :p The Chinese characters look pretty similar to my untrained eyes though.