Kent Cheng Jak-Si
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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
Credits
The Prosecutor (2024)
as Bao Ding
Once Upon a Time in China (1991)
as Porky Wing
The Prince of Temple Street (1992)
as Cheng [cameo]
Flash Point (2007)
as Wong
Cold War 1994 (2026)
as F.L. Kwok
Crime Story (1993)
as Detective Hung Ting-Bong
The Bodyguard from Beijing (1994)
as Charlie Leung
The Big Rescue (2018)
as 肥猫
Ip Man 3 (2015)
as Detective Po
Give Me Back (1983)
as Q
Ip Man 4: The Finale (2019)
as Bob
The Man from Vietnam (1982)
Actor
Once Upon a Time in China V (1994)
as Porky Wing
The Gods Must Be Funny in China (1994)
as Fatty
Modern Detective (1985)
as Cheng
Those Were the Days... (1995)
as Wah's Father
Dr. Lamb (1992)
as Fat Bing
Chasing the Dragon (2017)
as Piggy
The Dragon Family (1988)
as Uncle Po
To Be Number One (1991)
as Fat Kwan
Legend of the Brothers (1991)
as Hoi
Sex and Zen (1991)
as Tin Chan
The Spooky Family (1990)
Actor
Spiritual Trinity (1991)
as Tien Kuei
Lord Of East China Sea (1993)
as Huang Quanrong
The Beasts (1980)
as Moe
Carry On Hotel (1988)
as Mr. Lau
The White Storm 2: Drug Lords (2019)
as Yu Nam
Mr. Smart (1989)
as Smart
Heroes Two (1974)
as Manchu Thug (uncredited)
Soul Ash (1981)
Actor
Run and Kill (1993)
as Cheung
Cesium Fallout (2024)
as Secretary for Security
Ghost Legend (1990)
as Chu Yi
Return of the Lucky Stars (1989)
as Sgt Cheng
The Stunt Woman (1996)
as Blackjack
Crisis Negotiators (2024)
as Lam Ka Cheung
Lord Of East China Sea II (1993)
as Huang Quanrong
The Emperor and His Brother (1981)
as No. 8, Yang Seng Hip
Heartbeat 100 (1987)
as Sergeant Chu
Wong Fei Hung Series : The Suspicious Temple (1996)
as Porky Wing
Lucky Encounter (1992)
as Fatty
Diary of a Big Man (1988)
as Inspector Cheng
The Trail (1983)
as Captain
Men from the Monastery (1974)
as Extra (uncredited)
He Lives by Night (1982)
as Dragon
Run Papa Run (2008)
as Uncle Lone - Elder #2
Lucky Stars Go Places (1986)
as Fat Cat
A Hearty Response (1986)
as Policeman outside bank
Wong Fei Hung Series : The Headless General (1996)
as Butcher Wing
Wonder Seven (1994)
as Nanny
All U Need Is Love (2021)
as Wong Tai Ho's father
A Bride's Nightmare (1981)
Actor
Lifeline Express (1984)
as Fatso Ng
The Flying Mr. B (1985)
as Zhu Yugan
The Kung Fu Scholar (1994)
as Fat Cat
Easy Money (1987)
as Inspector Ken
The Fortune Code (1990)
as Chocolate
The End of the Stumer (2003)
as Captain Wong Nam
Walk on Fire (1988)
as Tang
Chasing the Dragon (2023)
as Fat Bob
Man of the Times (1993)
as 刘福
TAXI 810 (1994)
as 何順
Beginner's Luck (1994)
as Chow Sing Chi
Why Me? (1985)
as Fat Cat
Mr. Sunshine (1989)
as Mai-Bao
The Daring Kung Fu Refugee (1984)
Actor
Once Upon a Time in Hong Kong (2021)
as Pudgy
Don't Jump Money Left (2012)
Actor
I Did It My Way (2023)
as Uncle Cat
Read Lips (1980)
as Inspector
Sentenced to Hang (1989)
as Ma Yee-Charn
A Gilded Game (2025)
as Mike
Vendetta (1993)
as Ming
United We Stand (1986)
as Canteen boss
Extras for Chasing The Dragon (2025)
Actor
The Imp (1981)
as Fatty
Hero of Hong Kong 1949 (1994)
as Master Fok
兩個半爸爸 (—)
Actor
The Beloved Son of God (1988)
as Fat Cat
Good-for-Nothing Heros (2012)
Actor
Casino (1998)
as Inspector To
Our Darling Coach (1980)
Actor
Ip Man 2 (2010)
as Fatso
A Roof with a View (1993)
as Fat Ho
Sleepwalker (2011)
as Eric's brother
Ancient Chinese Whorehouse (1994)
as Kong
Vampire Buster (1989)
as Cheung Sap Yat
生死依托 (2012)
Actor
The Most Wanted (1994)
as Supt Cheng Ming Fen
The Informer (1980)
as Detective Chang Bann
Return of the Cuckoo (2015)
as Chan Man San
Hong Kong Graffiti (1995)
as Mr Seven
The Leakers (2018)
as Teo Jit Sin
Let's Go Slam Dunk (1994)
as Tin Yuen
The Log (1996)
as Officer Gump
Fun and Fury (1992)
as Ma
Little Cop (1989)
as Yi's Butler
玩命试爱 (2017)
Actor
Funny Boys (1982)
as Zhang Bao
The Twilight of the Forbidden City (1992)
as General Cheung
Vampire's Breakfast (1987)
as Liao Chi-Piao / Fat Piao
The Sensational Pair (1983)
as Ko Kwai
Who Is Undercover (2014)
as Yu Dachuan
Mad Stylist (1997)
Actor
Guilt by Design (2019)
as Liang Sir
Mobfix Patrol (1981)
as Fatso
What a Wonderful World (1996)
as Doctor
The Saviour (1980)
as Nineteen
Kidnap of Wong Chak Fai (1993)
as Officier Chung Wai Ching
The Club (1981)
as Kun
Wong Fei Hung Series : The Eight Assassins (1995)
as Porky Wing
Lethal Contact (1992)
as Penguin
Heaven Can't Wait (1995)
as Tsui Dai Bo
Family Day (1990)
as Fatty Chow Fok Si
Wong Fei Hung Series : The Ideal Century (1996)
Actor
You're My Destiny (1987)
as Policeman
Happy Go Lucky (2003)
as Fat Cat
Cop Busters (1985)
Actor
Run, Don't Walk (1989)
as Sgt Leung
Murderer Pursues (1981)
as Uncle Su
Bloody Brothers (1994)
as Yao Tai Chuan
Triad 2 (2023)
as Mr. Wong
Oh, My Cops! (1983)
as Sgt Porky
The Accident (1983)
as Fatty Cheng
Mermaid Got Married (1994)
as Principal
The Good, The Bad & The Beauty (1987)
as Fatty
Mission to Kill (1983)
Actor
The Trier of Fact (—)
Actor
Beloved Daddy (1984)
Actor
The Turning Point (1983)
Actor
S.D.U. - Mission in Mission (1994)
as Officer Chin
Chasing the Dragon (2020)
Actor
Disco Bumpkins (1980)
as Director
TAXI 810 III (1999)
as 何順
The Perfect Match (1982)
as Captain Hsu Tang Tao
Torrid Wave (1982)
Actor
Powerful Four (1992)
as Ho Sum
The Money Trip (1979)
Actor
The Sweet and Sour Cops Part II (1982)
Actor
Struggle for Leader (1983)
Actor
Every Man for Himself (1980)
Actor
Sergeant Talkie (1991)
as Ken
Bomb Lover (1995)
as Inspector Seito
Body Puzzle (2001)
as Chiu Chi Shing
The Dragon, The Odds (1979)
Actor
The Utmost Greatness (1979)
Actor
The Comedy (1984)
as Fatso
My Heart Will Go On (2001)
as Li Tee
TAXI 810 II (1996)
as 何順
The Best Hustler Wins (1979)
as Magistrate
Wrong Wedding Trail (1984)
as Shing Tai Shi
The Sweet and Sour Cops (1981)
Actor
Dumbly Agent (2002)
as Uncle Ying
Out of Control (2008)
as Zhang Heng
A Grand Statement (1981)
as Policeman
The Daring Age (1981)
as Male parent
Daughter & Father (1981)
as Detective Cheng