http://hkmdb.com/db/movies/view.mhtml?id=7349&complete_credits=1&display_set=eng

Please add also:

Title alias: A KILLER'S BLUES

Story:
Raymond Wong Pak Ming
黃百鳴

Co-producer:
June Blue (not in the db)
六月雪

Executive Producer:
Jeng Gin Ping (christian name: Ise Cheng)
鄭建萍

Costume designer:
Goo Ga Lau (alias: Carroll Gordon)
古嘉露

Assistant director:
Liu Kim Wa
勞劍華
Hoh Cheuk Wing (christian name: Peter Ho)
何卓榮

Cast:
Timothy Zao
邵傳勇

Characters names:
Ti Lung (Ming)
Olivia Cheng Man Nga (Wai)
Fennie Yuen Kit-Ying (Shuet)
Roy Cheung Yiu-Yeung (Chung)
Mark Cheng Ho-Nam (Kit)
Lo Lieh (Tai)
Timothy Zao (Stephen)

Added all of them, excepting Timothy Zhao. Only WebPAC confirms your suggestion...
Why did you not post his screenshot credit?

Carlos, you never trust me...

Forgive me!!!!!

But one photo was enough!
Added.
And also added another actor.