Chow Yun-Fat as Ken Shek / Ko Chun

Andy Lau as Michael

Jacky Cheung Hok-Yau as JC

Nick Cheung Ka-Fai as Mark

Carina Lau as Molly

Chris Lee Yuchun as Kitty

Michelle Hu as Purple / Kammy

Jacky Heung as Lung Ng Jr.

Jin Gang as King Blackie

Grace Wong as

Elena Kong Mei-Yee as Miss Ice

Iris Chung as Iris

Anita Chui as

PSY as Mr. Wong

Charles Heung as Lung Ng

Shawn Yue as Vincent

Angela Wang as Yan

David Chiang Da-Wei as Victor

Law Kar-Ying as Only Yu

Kimmy Tong Fei as Rainbow

Philip Keung Ho-Man as Ma Tai-Fat

Derek Tsang Kwok-Cheung as Interpol

Maria Cordero as Prison Guard

Frankie Ng Chi-Hung as Brother B

Lo Hoi-Pang as Mahjong King

Yuen Qiu as Mahjong Queen

Jacqueline Chong Si-Man as Dice Queen

Jason Wong as Groomsman

Han Xinyi as Summer

Zhang Hongyi as Ebony

Tony Ho as Prisoner

Edward Chui Wai-Tung as Interpol

Timothy Skinner as Interpol

Leslie Lam as Chime

Ash Yap as David

Snow Lai as Bridesmaid

Liz Li as Bridesmaid

Wang Neng as Bridesmaid

Ophelia So as Bridesmaid

Candice Chu as Bridesmaid

Rain Wong as Bridesmaid

Stephenie Chan as Bridesmaid

Jessica Wong Ka-Wai as Bridesmaid

Sharon Ying as Bridesmaid

Yip Chi-Ting as Bridesmaid

Yammi Lam as Bridesmaid

Milo Tse as Bridesmaid

Diva Hui as Bridesmaid

Hillary Liauw as Bridesmaid

Wiyona Yeung Lau-Ching as Bridesmaid

Jamie Lee as Bridesmaid

Katrina Kwan as Bridesmaid

Pion Lio as Bridesmaid

Sulin Ip as Bridesmaid

Jeffery Lai Hok-Kan as Groomsman

Ben Yeung as Groomsman

Adrian Chau Chi-Man as Groomsman

Stefan Lau as Groomsman

Karl Lau as Groomsman

Felix Ng as Groomsman

Jeffrey Lou as Groomsman

Johnny Loi as Groomsman

Wong Yi-Pu as Groomsman

Chow Tsz-Lung as Groomsman

Ho Ho-Fung as Groomsman

Au Yeung-Fung as Groomsman

Alex Tse Ho-Yat as Groomsman

Sunny Chow as Groomsman

Katesleigh Clarke as Flower girl

Lam Chi Yung as Groomsman

Tsui Ho-Cheong as Groomsman

Chan Chun-Tung as Wedding Band

Ip Ka-Man as Wedding Band

Yeung Ka-Hing as Wedding Band

Yeung Ka-Ming as Wedding Band

Li Kei-Yan as Wedding Band

Tsang Wai-Lung as Wedding Band

Esta Sham as Robot Stupid

Jane Wong as Robot Skinny

Gu Zhen-Sheng as Flower boy

Aowyn as Flower boy

Owen Jacobsen as Flower boy

Eco Tang Ting-Hin as Flower boy

Luk Zi-Jin as Flower boy

Michael Chan as Interpol

Caitlin Scaysbrook as Flower girl

Hon Ping as Prisoner

Sarinna Boggs as Flower girl

Gabrielle Kam as Flower girl

Toby Wong Chun-Lam as Prisoner

Sally Victoria Benson as Wedding reception

Thomas Hin as Prisoner

Kwing Lam Ka-Wing as Interpol

Roydon Chio as Prisoner

Ho Sai-Man as Prisoner

Lo Tsz-Hang as Prisoner

Yu Hon-Lam as Prisoner

Li Chi-Ho as Prisoner

Aki Lee as Prisoner

Chow Ho-Yin as Prisoner

Tsui Kam-Yuen as Prisoner

Alex To Kong as Jailer

Benjamin Wong Chi-Kong as Doctor

Nicole Wong as Flower girl

Emerald Li as Flower girl

Juila Grawert as Flower girl

Gustavo Cavaliere as Catholic father

Priscilla Leppich as Wedding reception

Rebakah Kirkman as Wedding reception

Diana Da Silva as Wedding reception

Simon Tang as Interpol

Hera Kwan as Interpol

Aaron Yan as Interpol

Connie Wong as Interpol

Lui Ku-Yi as Prisoner

Felix Ip as Prisoner

Mike Lee as Prisoner

Paul Lam as Prisoner

Lam Hun-Lam as Prisoner

Xin WuKu as Jailer

Terence Tsui as

Wong Jing as Prisoner

Andrew Lau Wai-Keung as

Xu Dongdong as