A Witness Out of the Blue

Louis Koo

as

Sean Wong

Louis Cheung

as

Larry Lam

Jessica Hsuan

as

Joy Ding

Cherry Ngan Ch...

as

Charmaine

Philip Keung H...

as

Yip Sau Ching

Fiona Sit Hoi-...

as

Sandy Yeung

Patrick Tam Yi...

as

Bull Yiu

Andy On Chi-Kit

as

Tony Ho

Ling Man-Lung

as

Redhead

Sam Lee

as

Clark Auyeung

Deep Ng Ho-Hong

as

Homer Tsui

Annie Liu Xin-...

as

Ms. Expert

Jacky Cai

as

Auyeung's girl...

Ng Siu-Hin

as

Handiwork

Aaron Chow

as

Food Delivery ...

Evergreen Mak ...

as

Crab

Tsui Kwong-Lam

as

Uncle Monk

Soi Cheang

as

Tony Ho (voice)

Cecilia Chan L...

as

Bull's mother

Deon Cheung Ch...

as

Undercover

Jack Lai

as

Footballer

Wong Chun

as

Footballer

Woody Hui Ngai...

as

Footballer

Stephen Ng

as

Footballer

Charlie Lam Ch...

as

Footballer

Chan Chet

as

Footballer

Andrew Fung Ch...

as

Footballer

Jonathan Li Ts...

as

Footballer

David Lee Kwon...

as

Footballer

Pang Mei-Seung

as

Auntie Eight

Lau Yat-Tung

as

Uncle Nine

Yeung Yee-Yee

as

Century

Law Wing-Cheong

as

Tea café owner

Power Chan Kwo...

as

Donkey

Ben Cheung

as

Keeper

Terry Zou Wen-...

as

Henry

Rachel Chan

as

Gun Club Clerk

Du Haru

as

Crab's girlfri...

Danny Chan

as

Bad guy

Amy Tam

as

Donkey's wife

Yolanda

as

Donkey's daugh...

Kenny Chan

as

Internal Affai...

Fung Pak-Yin

as

Realtor

Lee Man-Yi

as

Parrot (voice)

German Cheung ...

as

Crab's guy

Zhe Ying

as

Crab's guy

Hon Chun-Wah

as

Crab's guy

Ken Law Ho-Ming

as

Yip's CID offi...

Locker Lam Ka-...

as

Yip's CID offi...

Jason Wu

as

Yip's CID offi...

Cheung Chung-H...

as

Yip's CID offi...

Donna Lau Hiu-...

as

Yip's CID offi...

Kenneth Cheung...

as

Internal Affai...

Lai Cheuk-Man

as

Police officer

Tse Kwong-Chi

as

Police officer

Wong Ka-Kit

as

Police officer

Benjamin Wan C...

as

Police officer

Stephen Wong K...

as

Police officer

Yeung Sai-Ho

as

Police officer

Tsang Wun-Hang

as

Police officer

Liu Chun-Yan

as

Police officer

Scorpio Tung K...

as

Police officer

Nelson Mok Chi...

as

Police officer

Lee King-Kuen

as

Police officer

To Yuk-Kwai

as

Police officer

Chau Ka-Ho

as

Identification...

Ng Chun-Kit

as

Identification...

Lo Man-Fung

as

Identification...

Kenny Fung Kin...

as

Identification...

Kellie Chan Kw...

as

Tsui's neighbor

Ming Wai-Hung

as

Tsui's neighbor

Chan Gam-Fung

as

Tsui's neighbor

Mac Ng

as

Shoe shop sales

Lavender Wong ...

as

Shoe shop sales

Kammy Yam Suk-...

as

Shoe shop sales

Kenny Tang Siu...

as

Minivan driver

Ngai Kam-Fung

as

Taxi driver

Iris Tong Sau-...

as

Yiu's relative

Robert Chui

as

Yiu's relative

Zhang Wanfen

as

Yiu's relative

Ranson Ma

as

Priest

Wu Chi-Yeung

as

Gun club member

Chow Kai-Pong

as

Gun club member

Sammi Chan

as

Gun club member

Jessica Lai

as

CID officer

Tsui Kam-Yuen

as

CID officer

Au Man-Yuk

as

CID officer

Ivan Poon

as

CID officer

Yip Wai-Sze

as

CID officer

Sophia Siu Cho...

as

CID officer

Luk Man-Wai

as

PTU officer

Tong Chung-Teen

as

PTU officer

Jack Wai Ka-Yin

as

PTU officer

Peter Chan Bei...

as

PTU officer

Kelvin Dai Shu...

as

PTU officer

Ng Siu-Ngok

as

Jewelry shop m...

Caosson Chu Ka...

as

Jewelry shop s...

Lee Tse-Hei

as

Jewelry shop s...

Yu Sze-Wing

as

Jewelry shop s...

Navin Yeung Ya...

as

Jewelry shop s...

Bean Chu Wai-Y...

as

Jewelry shop c...

Shirley Chan

as

Jewelry shop c...

Marcus Yeung C...

as

Jewelry shop c...

Roy Sin Kwok-H...

as

Jewelry shop c...

Shek Chun-Kit

as

Jewelry shop c...

Korea Mei

as

Jewelry shop c...

Penny Chan Che...

as

Jewelry shop c...

Cindy Chan Nga...

as

Jewelry shop c...

Clifford Tsang...

as

Jewelry shop c...

Yvonne Lo Oi-W...

as

Jewelry shop c...

Sherring Ng

as

Jewelry shop c...

Lau Ying-Kwan

as

Jewelry shop c...

Kitty Ho Mei-Y...

as

Jewelry shop c...

Cherry Zariyah...

as

Jewelry shop c...

Philip Tsui Wo...

as

Jewelry shop c...

Lai Siu-Ling

as

Jewelry shop c...

Lam Yiu-Fai

as

Jewelry shop c...

Chow Yui-Ming

as

Jewelry shop c...

Coka Lau Mei-T...

as

Jewelry shop c...

K-CHEK

as

Henry's friend

Brian Yuen Chu...

as

Henry's friend

Kim Liu Chun-T...

as

Henry's friend

Wayne Ip Tung-...

as

Henry's friend

Lawrence Chung...

as

Henry's friend

Rachel Cheong

as

Henry's girlfr...

Claire Chan

as

Henry's girlfr...

Freya Chau

as

Henry's girlfr...

John Ip Man-Ch...

as

Donkey's broth...

Lau Ka-Yee

as

Donkey's relat...

Charmaine Lai ...

as

Donkey's relat...

Alana Lam Hiu-...

as

Donkey's relat...

Michael Tam Yo...

as

Donkey's relat...

Cliff Lee

as

Donkey's relat...

Yuen Wai-Sun

as

Donkey's relat...

Adis Chan Kwon...

as

Donkey's relat...

Madonna Tung

as

Donkey's relat...

Gloria Cheung ...

as

Donkey's relat...

Wong Ka-Wing

as

Century's frie...

Lee Shek Mei-Y...

as

Century's frie...