Polyphemus
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Personal Info

Gender

Male

Birthday

1951-05-22 (73 years old)

Place of Birth

Chaozhou, Guangdong Province, China

Kent Cheng Jak-Si

Biography:

Kent Cheng Jak-Si (Chinese: 鄭則士, born 22 May 1951) is a Hong Kong film and television actor. He is a two time recipient of the best actor award at the Hong Kong Film Awards.

Known For

Acting

2025

2024

Crisis Negotiators as Lam Ka Cheung
Cesium Fallout as Secretary for Security
The Prosecutor as Bao Ding
Broken Trust as Chin Tai-hoi

2023

Triad 2 as Mr. Wong
I Did It My Way as Uncle Cat

2021

All U Need Is Love as Wong Tai Ho's father

2020

2019

Guilt by Design as Liang Sir
My Life As Loan Shark as Dai Kamchai

2018

The Leakers as Teo Jit Sin

2017

2016

2015

Ip Man 3 as Detective Po
Return of the Cuckoo as Chan Man San

2014

Who Is Undercover as Yu Dachuan

2012

2011

Sleepwalker as Eric's brother
月明三更 as 财主

2010

Ip Man 2 as Fatso

2009

2008

Run Papa Run as Uncle Lone - Elder #2
Out of Control as Zhang Heng

2007

Flash Point as Inspector Wong

2006

The Blind Detective as 宋仁忠

2005

My Fair Lady as 李婴

2003

The End of the Stumer as Captain Wong Nam
Happy Go Lucky as Fat Cat
Moon Fairy as Fu Xi

2002

Dumbly Agent as Uncle Ying
肥猫寻亲记 as 肥猫

2001

Body Puzzle as Chiu Chi Shing

2000

1999

TAXI 810 III as 何順

1998

Food Glorious Food as Man Chang / 常满

1997

1996

TAXI 810 II as 何順
The Log as Officer Gump
The Stunt Woman as Blackjack
In the Name of Love as 何家邦

1995

Heaven Can't Wait as Tsui Dai Bo
Those Were the Days... as Wah's Father

1994

Wonder Seven as Nanny
TAXI 810 as 何順
The Most Wanted as Supt Cheng Ming Fen
Mermaid Got Married as Principal
Let's Go Slam Dunk as Tin Yuen
Bloody Brothers as Yao Tai Chuan

1993

Run and Kill as Cheung
Crime Story as Detective Hung Ting-Bong
Lord Of East China Sea as Huang Quanrong
Lord Of East China Sea II as Huang Quanrong
Man of the Times as Detective Lau Fook
Kidnap of Wong Chak Fai as Officier Chung Wai Ching
Vendetta as Ming

1992

Dr. Lamb as Fat Bing
Lethal Contact as Penguin
Powerful Four as Ho Sum/Fatty B

1991

Sex and Zen as Tin Chan
To Be Number One as Fat Kwan
Spiritual Trinity as Tien Kuei

1990

Family Day as Fatty Chow Fok Si
Ghost Legend as Chu Yi
The Fortune Code as Chocolate

1989

Sentenced to Hang as Ma Yee-Charn
Mr. Smart as Smart
Little Cop as Yi's Butler
Vampire Buster as Cheung Sap Yat
Mr. Sunshine as Mai-Bao
Run, Don't Walk as Sgt Leung

1988

Walk on Fire as Tang
Carry on Hotel as Mr. Lau
The Diary of a Big Man as Police Inspector
The Dragon Family as Uncle Po

1987

Easy Money as Inspector Ken
Vampire's Breakfast as Liao Chi-Piao / Fat Piao
Heartbeat 100 as Sergeant Chu
You're My Destiny as Policeman

1986

A Hearty Response as Policeman outside bank
United We Stand as Canteen boss

1985

The Flying Mr. B as Zhu Yugan
Why Me? as Fat Cat

1984

Lifeline Express as Fatso Ng
The Comedy as Fatso
Wrong Wedding Trail as Shing Tai Shi

1983

Oh, My Cops! as Sgt Porky
The Accident as Fatty Cheng
The Trail as Captain

1982

The Perfect Match as Captain Hsu Tang Tao

1981

The Imp as Fatty
The Emperor and His Brother as No. 8, Yang Seng Hip
Murderer Pursues as Uncle Su
Mobfix Patrol as Fatso
The Club as Kun
The Mischievous Age as Male parent
A Grand Statement as Policeman
Daughter & Father as Detective Cheng

1980

The Beasts as Moe
The Saviour as Nineteen
Read Lips as Inspector
The Informer as Detective Chang Bann
Disco Bumpkins as Director

1979

The Best Hustler Wins as Magistrate

1978

1977

1976

1974

Men from the Monastery as Extra (uncredited)
Heroes Two as Manchu Thug (uncredited)

-

Directing

1992

Lethal Contact as Director

1990

Dragon in Jail as Director
The Fortune Code as Director

1989

Mr. Smart as Director

1988

1987

Heartbeat 100 as Director

1985

Why Me? as Director

1984

Beloved Daddy as Director

1981

Murderer Pursues as Assistant Director

Production

2007

Brothers as Producer

1993

Ms Butterfly as Producer

1990

The Fortune Code as Producer

1989

Mr. Smart as Producer

1988

Writing

2013

Betas as Writer

1998

1994

Beginner's Luck as Writer

1993

Ms Butterfly as Writer

1990

Family Day as Screenplay

1986

1985

Why Me? as Screenplay

1984

Beloved Daddy as Writer