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

Roast

A House is Not a Home

Young's Female Warrior

The Giants

Chinese Folklore

The Prosecutor

Be My Guest

When Lanes Merge
All Movies (158)
- Cold War 19942026 · as F.L. Kwok
- A Gilded Game2025 · as Mike
- Extras for Chasing The Dragon2025
- The Prosecutor2024 · as Bao Ding
- Cesium Fallout2024 · as Secretary for Security
- Crisis Negotiators2024 · as Lam Ka Cheung
- I Did It My Way2023 · as Uncle Cat
- Triad 22023 · as Mr. Wong
- Chasing the Dragon2023 · as Fat Bob
- Once Upon a Time in Hong Kong2021 · as Pudgy
- All U Need Is Love2021 · as Wong Tai Ho's father
- Chasing the Dragon2020
- Ip Man 4: The Finale2019 · as Bob
- Guilt by Design2019 · as Liang Sir
- The White Storm 2: Drug Lords2019 · as Yu Nam
- The Leakers2018 · as Teo Jit Sin
- The Big Rescue2018 · as 肥猫
- Chasing the Dragon2017 · as Piggy
- 玩命试爱2017
- Ip Man 32015 · as Detective Po
- Return of the Cuckoo2015 · as Chan Man San
- Who Is Undercover2014 · as Yu Dachuan
- 生死依托2012
- Don't Jump Money Left2012
- Good-for-Nothing Heros2012
- Sleepwalker2011 · as Eric's brother
- Ip Man 22010 · as Fatso
- Out of Control2008 · as Zhang Heng
- Run Papa Run2008 · as Uncle Lone - Elder #2
- Flash Point2007 · as Wong
- Happy Go Lucky2003 · as Fat Cat
- The End of the Stumer2003 · as Captain Wong Nam
- Dumbly Agent2002 · as Uncle Ying
- Body Puzzle2001 · as Chiu Chi Shing
- My Heart Will Go On2001 · as Li Tee
- TAXI 810 III1999 · as 何順
- Casino1998 · as Inspector To
- Mad Stylist1997
- TAXI 810 II1996 · as 何順
- What a Wonderful World1996 · as Doctor
- The Stunt Woman1996 · as Blackjack
- The Log1996 · as Officer Gump
- Wong Fei Hung Series : The Ideal Century1996
- Wong Fei Hung Series : The Headless General1996 · as Butcher Wing
- Wong Fei Hung Series : The Suspicious Temple1996 · as Porky Wing
- Wong Fei Hung Series : The Eight Assassins1995 · as Porky Wing
- Heaven Can't Wait1995 · as Tsui Dai Bo
- Those Were the Days...1995 · as Wah's Father
- Hong Kong Graffiti1995 · as Mr Seven
- Bomb Lover1995 · as Inspector Seito
- S.D.U. - Mission in Mission1994 · as Officer Chin
- Mermaid Got Married1994 · as Principal
- Beginner's Luck1994 · as Chow Sing Chi
- Ancient Chinese Whorehouse1994 · as Kong
- The Bodyguard from Beijing1994 · as Charlie Leung
- Let's Go Slam Dunk1994 · as Tin Yuen
- Once Upon a Time in China V1994 · as Porky Wing
- Hero of Hong Kong 19491994 · as Master Fok
- TAXI 8101994 · as 何順
- Bloody Brothers1994 · as Yao Tai Chuan
- The Most Wanted1994 · as Supt Cheng Ming Fen
- Wonder Seven1994 · as Nanny
- The Gods Must Be Funny in China1994 · as Fatty
- The Kung Fu Scholar1994 · as Fat Cat
- A Roof with a View1993 · as Fat Ho
- Man of the Times1993 · as 刘福
- Kidnap of Wong Chak Fai1993 · as Officier Chung Wai Ching
- Crime Story1993 · as Detective Hung Ting-Bong
- Vendetta1993 · as Ming
- Lord Of East China Sea II1993 · as Huang Quanrong
- Lord Of East China Sea1993 · as Huang Quanrong
- Run and Kill1993 · as Cheung
- Dr. Lamb1992 · as Fat Bing
- The Prince of Temple Street1992 · as Cheng [cameo]
- Lucky Encounter1992 · as Fatty
- The Twilight of the Forbidden City1992 · as General Cheung
- Fun and Fury1992 · as Ma
- Lethal Contact1992 · as Penguin
- Powerful Four1992 · as Ho Sum
- Sex and Zen1991 · as Tin Chan
- Legend of the Brothers1991 · as Hoi
- Once Upon a Time in China1991 · as Porky Wing
- To Be Number One1991 · as Fat Kwan
- Sergeant Talkie1991 · as Ken
- Spiritual Trinity1991 · as Tien Kuei
- Ghost Legend1990 · as Chu Yi
- Family Day1990 · as Fatty Chow Fok Si
- The Spooky Family1990
- The Fortune Code1990 · as Chocolate
- Sentenced to Hang1989 · as Ma Yee-Charn
- Run, Don't Walk1989 · as Sgt Leung
- Mr. Sunshine1989 · as Mai-Bao
- Vampire Buster1989 · as Cheung Sap Yat
- Return of the Lucky Stars1989 · as Sgt Cheng
- Little Cop1989 · as Yi's Butler
- Mr. Smart1989 · as Smart
- The Beloved Son of God1988 · as Fat Cat
- The Dragon Family1988 · as Uncle Po
- Diary of a Big Man1988 · as Inspector Cheng
- Carry On Hotel1988 · as Mr. Lau
- Walk on Fire1988 · as Tang
- You're My Destiny1987 · as Policeman
- The Good, The Bad & The Beauty1987 · as Fatty
- Easy Money1987 · as Inspector Ken
- Heartbeat 1001987 · as Sergeant Chu
- Vampire's Breakfast1987 · as Liao Chi-Piao / Fat Piao
- A Hearty Response1986 · as Policeman outside bank
- United We Stand1986 · as Canteen boss
- Lucky Stars Go Places1986 · as Fat Cat
- Why Me?1985 · as Fat Cat
- The Flying Mr. B1985 · as Zhu Yugan
- Modern Detective1985 · as Cheng
- Cop Busters1985
- Lifeline Express1984 · as Fatso Ng
- Beloved Daddy1984
- Wrong Wedding Trail1984 · as Shing Tai Shi
- The Daring Kung Fu Refugee1984
- The Comedy1984 · as Fatso
- The Turning Point1983
- Oh, My Cops!1983 · as Sgt Porky
- The Sensational Pair1983 · as Ko Kwai
- Mission to Kill1983
- Struggle for Leader1983
- The Trail1983 · as Captain
- The Accident1983 · as Fatty Cheng
- Give Me Back1983 · as Q
- The Perfect Match1982 · as Captain Hsu Tang Tao
- The Man from Vietnam1982
- Funny Boys1982 · as Zhang Bao
- Torrid Wave1982
- The Sweet and Sour Cops Part II1982
- He Lives by Night1982 · as Dragon
- The Imp1981 · as Fatty
- Mobfix Patrol1981 · as Fatso
- The Club1981 · as Kun
- The Emperor and His Brother1981 · as No. 8, Yang Seng Hip
- Daughter & Father1981 · as Detective Cheng
- Murderer Pursues1981 · as Uncle Su
- The Sweet and Sour Cops1981
- The Daring Age1981 · as Male parent
- A Grand Statement1981 · as Policeman
- Soul Ash1981
- A Bride's Nightmare1981
- The Beasts1980 · as Moe
- Every Man for Himself1980
- Read Lips1980 · as Inspector
- Our Darling Coach1980
- The Informer1980 · as Detective Chang Bann
- Disco Bumpkins1980 · as Director
- The Saviour1980 · as Nineteen
- The Dragon, The Odds1979
- The Money Trip1979
- The Utmost Greatness1979
- The Best Hustler Wins1979 · as Magistrate
- Men from the Monastery1974 · as Extra (uncredited)
- Heroes Two1974 · as Manchu Thug (uncredited)
- The Trier of Fact—
- 兩個半爸爸—
All TV Shows (59)
- ICAC Investigators 20242024
- Broken Trust2024 · as Chin Tai-hoi
- The Warring States Period2019 · as 魏斯
- My Life As Loan Shark2019 · as Dai Kamchai
- I Bet Your Pardon2019
- Roast2017
- My Dangerous Mafia Retirement Plan2016 · as Ho Keisong
- The Last Emperor2014
- The Great Doctor An Daoquan2014 · as 宰相
- New Moment in Peking2014
- 媳妇的美好宣言2012
- King Maker2012
- Defend Army Soul2011
- 月明三更2011 · as 财主
- When Lanes Merge2010
- The Outlander2010
- A Watchdog‘s Tale2009
- The Greatness of a Hero2009
- A Journey Called Life2008
- The Blind Detective2006 · as 宋仁忠
- Be My Guest2006
- 猜心妙手2006 · as 肥强
- 风尘三侠之红拂女2006 · as 杨素
- Romance of Red Dust2006 · as Yang Su
- My Fair Lady2005 · as 李婴
- 俠膽醫神2004 · as 李三宝
- Moon Fairy2003 · as Fu Xi
- 法内有情天2002
- 肥猫寻亲记2002 · as Fei Mao
- The Poet Su Dong Po2001 · as 苏东坡
- Asian Charlie's Angels2001
- Amazing Story2000
- Food Glorious Food1998 · as Seung Mun
- My Brother, My Mum1997
- The Hitman Chronicles1997 · as 专诸
- Forrest Cat1997
- In the Name of Love1996 · as 何家邦
- Wong Fei Hung Series1995
- The Edge of Righteousness1993 · as 鄭登
- The Lives on Duck Lane1983
- Encounter with Fortune1983
- The Emissary1982
- 獵鷹 (數碼修復版)1982 · as 肥陈
- The Checkmate1982
- Three Stooges Go Undercover1981
- The Wheeler Dealer1981
- Three Legged Race1981 · as 阿Ken
- Young's Female Warrior1981
- The Misadventure of Zoo1981
- The Cheap Detective1979
- 疯狂世界1979
- Police Woman1978
- Sugar Daddy1978
- 第一次1978
- The Giants1978
- Better and Bitter Half1978
- A House is Not a Home1977
- When The Legend Dies1976
- Chinese Folklore1974