A Witness Out of the Blue

Louis Koo

Sean Wong

Louis Cheung

Larry Lam

Jessica Hsuan

Joy Ding

Cherry Ngan Cheuk-Ling

Charmaine

Philip Keung Ho-Man

Yip Sau Ching

Fiona Sit Hoi-Kei

Sandy Yeung

Patrick Tam Yiu-Man

Bull Yiu

Andy On Chi-Kit

Tony Ho

Ling Man-Lung

Redhead

Sam Lee

Clark Auyeung

Deep Ng Ho-Hong

Homer Tsui

Annie Liu Xin-You

Ms. Expert

Jacky Cai

Auyeung's girlfriend

Ng Siu-Hin

Handiwork

Aaron Chow

Food Delivery Guy

Evergreen Mak Cheung-Ching

Crab

Tsui Kwong-Lam

Uncle Monk

Soi Cheang

Tony Ho (voice)

Cecilia Chan Lai-Wan

Bull's mother

Deon Cheung Chung-Chi

Undercover

Jack Lai

Footballer

Wong Chun

Footballer

Woody Hui Ngai-Ming

Footballer

Stephen Ng

Footballer

Charlie Lam Chi-Kin

Footballer

Chan Chet

Footballer

Andrew Fung Chih-Chiang

Footballer

Jonathan Li Tsz-Chun

Footballer

David Lee Kwong-Yiu

Footballer

Pang Mei-Seung

Auntie Eight

Lau Yat-Tung

Uncle Nine

Yeung Yee-Yee

Century

Law Wing-Cheong

Tea café owner

Power Chan Kwok-Pong

Donkey

Ben Cheung

Keeper

Terry Zou Wen-Zheng

Henry

Rachel Chan

Gun Club Clerk

Du Haru

Crab's girlfriend

Danny Chan

Bad guy

Amy Tam

Donkey's wife

Yolanda

Donkey's daughter

Kenny Chan

Internal Affairs officer

Fung Pak-Yin

Realtor

Lee Man-Yi

Parrot (voice)

German Cheung Man-Kit

Crab's guy

Zhe Ying

Crab's guy

Hon Chun-Wah

Crab's guy

Ken Law Ho-Ming

Yip's CID officer

Locker Lam Ka-Hei

Yip's CID officer

Jason Wu

Yip's CID officer

Cheung Chung-Hang

Yip's CID officer

Donna Lau Hiu-Wa

Yip's CID officer

Kenneth Cheung Moon-Yuen

Internal Affairs officer

Lai Cheuk-Man

Police officer

Tse Kwong-Chi

Police officer

Wong Ka-Kit

Police officer

Benjamin Wan Chak-Lam

Police officer

Stephen Wong Kwok-Wah

Police officer

Yeung Sai-Ho

Police officer

Tsang Wun-Hang

Police officer

Liu Chun-Yan

Police officer

Scorpio Tung Kam-Yue

Police officer

Nelson Mok Chi-Wing

Police officer

Lee King-Kuen

Police officer

To Yuk-Kwai

Police officer

Chau Ka-Ho

Identification Bureau officer

Ng Chun-Kit

Identification Bureau officer

Lo Man-Fung

Identification Bureau officer

Kenny Fung King-Yin

Identification Bureau officer

Kellie Chan Kwok-Lai

Tsui's neighbor

Ming Wai-Hung

Tsui's neighbor

Chan Gam-Fung

Tsui's neighbor

Mac Ng

Shoe shop sales

Lavender Wong Yuen-Ying

Shoe shop sales

Kammy Yam Suk-Man

Shoe shop sales

Kenny Tang Siu-Chung

Minivan driver

Ngai Kam-Fung

Taxi driver

Iris Tong Sau-Fun

Yiu's relative

Robert Chui

Yiu's relative

Zhang Wanfen

Yiu's relative

Ranson Ma

Priest

Wu Chi-Yeung

Gun club member

Chow Kai-Pong

Gun club member

Sammi Chan

Gun club member

Jessica Lai

CID officer

Tsui Kam-Yuen

CID officer

Au Man-Yuk

CID officer

Ivan Poon

CID officer

Yip Wai-Sze

CID officer

Sophia Siu Choi-Yuk

CID officer

Luk Man-Wai

PTU officer

Tong Chung-Teen

PTU officer

Jack Wai Ka-Yin

PTU officer

Peter Chan Bei-Dak

PTU officer

Kelvin Dai Shu-Kin

PTU officer

Ng Siu-Ngok

Jewelry shop manager

Caosson Chu Ka-Shun

Jewelry shop sales

Lee Tse-Hei

Jewelry shop sales

Yu Sze-Wing

Jewelry shop sales

Navin Yeung Yat-Chung

Jewelry shop sales

Bean Chu Wai-Yip

Jewelry shop customer

Shirley Chan

Jewelry shop customer

Marcus Yeung Chok-Kin

Jewelry shop customer

Roy Sin Kwok-Hang

Jewelry shop customer

Shek Chun-Kit

Jewelry shop customer

Korea Mei

Jewelry shop customer

Penny Chan Cheuk-Pan

Jewelry shop customer

Cindy Chan Nga-Wai

Jewelry shop customer

Clifford Tsang Man-Wai

Jewelry shop customer

Yvonne Lo Oi-Wah

Jewelry shop customer

Sherring Ng

Jewelry shop customer

Lau Ying-Kwan

Jewelry shop customer

Kitty Ho Mei-Yin

Jewelry shop customer

Cherry Zariyah Tang

Jewelry shop customer

Philip Tsui Wo-Fung

Jewelry shop customer

Lai Siu-Ling

Jewelry shop customer

Lam Yiu-Fai

Jewelry shop customer

Chow Yui-Ming

Jewelry shop customer

Coka Lau Mei-Ting

Jewelry shop customer

K-CHEK

Henry's friend

Brian Yuen Chung-Yeung

Henry's friend

Kim Liu Chun-Tin

Henry's friend

Wayne Ip Tung-Yin

Henry's friend

Lawrence Chung Po-Wa

Henry's friend

Rachel Cheong

Henry's girlfriend

Claire Chan

Henry's girlfriend

Freya Chau

Henry's girlfriend

John Ip Man-Chong

Donkey's brother

Lau Ka-Yee

Donkey's relative

Charmaine Lai Sheung-Ming

Donkey's relative

Alana Lam Hiu-Lam

Donkey's relative

Michael Tam York-Yun

Donkey's relative

Cliff Lee

Donkey's relative

Yuen Wai-Sun

Donkey's relative

Adis Chan Kwong-Yan

Donkey's relative

Madonna Tung

Donkey's relative

Gloria Cheung Wing-Yu

Donkey's relative

Wong Ka-Wing

Century's friend

Lee Shek Mei-Yee

Century's friend