I think I've got a positive id on "Not Fung Ging Man". It's Fung Ming.
http://hkmdb.com/db/people/view.mhtml?i ... ay_set=eng
I just finished watching How Master Cute Thrice Saved the Idiot Ming and he is one of two cops in the film, and a relatively big part. I'll post caps shortly. In the mean time, I checked Fung Ming's filmography and found a couple previous caps with him in it (and added the relation) .
See related images.
Casts: 夏萍, 俞明 (飾傻仔明), 高魯泉 (飾老夫子), 矮冬瓜 (飾大蕃薯), 沈殿霞 (飾沈小霞), 司馬華龍, 梅珍, 容玉意, 西瓜刨, 朱由高, 黃曼 (飾露絲),
馮明 (飾警蔡), 凌漢 (飾警察), 黎明, 王克, 肥源, 劉準, 高國偉, 潘耀坤, 李鏡清, 羅愛嫦 (飾護士), 黃文慧 (飾護士), 金秀蓓 (飾護士), 謝麗儀 (飾護士), 周永光 (飾飛仔奇), 黃樹棠 (飾飛仔), 唐廸 (飾神經病人), 鄭君綿 (飾神經病人), 黃榮耀.