Louis Koo

as Dr. Dick Cho

Sandra Ng Kwan-Yu

as Yu Chu

Ronald Cheng Chung-Kei

as Yu Bo

Yao Chen

as Bucktooth Jane

Raymond Wong Pak-Ming

as Conan

Miki Shen Li-Jun

as Mandy

Ha Chun-Chau

as Mr. Yu

Lee Heung-Kam

as Mrs. Yu

Guo Tao

as Chu Yu's Boss

Charlene Choi Chuek-Yin

as Insurance Agent

Lisa Cheng

as Kuen

Sheila Chan Suk-Lan

as Sheila

Susan Shaw Yam-Yam

as Huan

Yumiko Cheng Hei-Yi

as Vivian

Cinderella Li Yiran

as Lynn

Lam Tze-Chung

as Fat Man at The Beach

Cheung Tat-Ming

as Professor of Breakup

Clifton Ko Chi-Sum

as Butler

Ken Lo Wai-Kwong

as Boxing Coach

Ricky Chan Po-Yuen

Danny Chan Kwok-Kwan

Steven Cheung Chi-Hang

Ricky Fan Chun-Fung

Conroy Chan Chi-Chung

as Director

Mark Lui

as Doctor

Barbara Wong Chun-Chun

as Servant

Ricky Wong Chun-Tong

as Servant

Vivi Lee

as Servant

Anna Lai

as Servant

Steven Fung Min-Hang

as Interviewee

Tenky Tin Kai-Man

as Interviewee

Lee Sheung-Ching

as Photographer #2

Theresa Fu Wing

as Friend at Birthday Party

Celina Jade

as Friend at Birthday Party

Vincent Kok Tak-Chiu

as Cafe Customer

Cheng Man-Fai

as Company Staff

Sherwin Ming Tak-Fung

as Man Playing Pool

Bert Mok

as Street Vendor

Kingson Shek Siu-Lun

as Fisherman

Gill Mohindepaul Singh

as Chauffeur

Julius Brian Siswojo

as Production Crew

Leung Wing-Kit

as Production Crew

Tsui Na

as Make-up Artist

Vivek Mahbubani

as Company Staff

Joe Cheng Cho

as Company Staff

Terence Tsui Chi-Hung

as Company Staff

Jackson Wan Kwong

as Chinese Servant

Chan Kung

as Chef

Yeung Lun

as Open Your Heart Member

Chan Po-Chun

as Driving Instructor

Chen Kaishi

as Suspected Bucktooth Jane

Kwok Wai-Kwok

Wong Chi-Wang

Dennis Mak

Celina Jade

Baby Bo

Tony Wong Yuk-Long

as Wedding Guest

Donnie Yen

as Wedding Guest (cameo)

Petrina Fung Bo-Bo

as Wedding Guest (cameo)

Alan Mak Siu-Fai

as Wedding Guest (uncredited)