Jackie Chan
as John Ma / Boomer

Maggie Cheung
as Barbara

Nina Li Chi
as Tammy

Teddy Robin
as Tyson

David Chiang Da-Wei
as Sgt Chiang / Hotel Security

James Wong
as Mr. Ma

Sylvia Chang
as Mrs. Ma

Kirk Wong Chi-Keung
as Crazy Bull

Mabel Cheung
as Tsui

Alfred Cheung Kin-Ting
as Boss Yung

Johnny Wang Lung-Wei
as Wai

Anthony Chan Yau
as Hotel Concierge

Jacob Cheung
as Cafe Cashier

David Wu
as Cafe Waiter

Philip Chan
as Hotel Manager Chen

Lau Kar-leung
as Doctor

Wong Jing
as Spiritual Healer

Tony Ching Siu-Tung
as Violinist

Gordon Chan
as Violinist

Chor Yuen
as Uncle Tang

Jamie Luk Kim-Ming
as Frankie Lo / Rocky

Guy Lai Ying-Chau
as Advisor Tsao

Eric Tsang
as Man on the Telephone at Concert Lobby

Dennis Chan Kwok-San
as Snakehead Sun

Clifton Ko Chi-Sum
as Department Store Clerk

Stephen Tung Wai
as White Van Driver

Tsui Hark
as Card Player

Ringo Lam
as Card Player

Ng See-Yuen
as Card Player

John Woo
as Priest

Tsui Siu-Ming
as Priest

Ann Hui
as Mrs Ma's Gynaecologist

Mars
as Rascal

Chan Tat-Kwong
as Thug

Benny Lai Keung-Kuen
as Thug

Roman Tam
as Thug

Andrew Lau Wai-Keung
as Party Guest

James Ha Chim-Si
as Thug

Teddy Yip Wing-Cho
as

Joe Cheung Tung-cho
as

Jameson Lam Wa-Fan
as

Lau Kar-Wing
as

Raymond Lee Wai-Man
as

Fung Hak-On
as

Dion Lam Dik-On
as

Nicky Li Chung-Chi
as

Johnny Cheung Wa
as