Twins, separated at birth, end up as a Hong Kong gangster and a New York concert pianist. When the pianist travels to Hong Kong for a concert, the two inevitably get mistaken for each other.
Ma Yau (John Ma) / Bok Min (Boomer)
Jackie Chan
Barbara
Maggie Cheung
Tong Sum (Tammy)
Nina Li Chi
Tarzan (Tyson)
Teddy Robin
Mr. Ma
James Wong Jim
Mrs. Ma
Sylvia Chang
Crazy Bull
Kirk Wong Chi-Keung
Sgt Chiang / Hotel Security
David Chiang Da-Wei
Tsui
Mabel Cheung Yuen-Ting
Boss Yung
Alfred Cheung Kin-Ting
Wai
Johnny Wang Lung-Wei
Hotel Concierge
Anthony Chan Yau
Cafe Cashier
Jacob Cheung Chi-Leung
Cafe Waiter
David Wu
Hotel Manager Chen
Philip Chan Yan-Kin
Doctor
Lau Kar-Leung
Spiritual Healer
Wong Jing
Violinist
Tony Ching Siu-Tung
Violinist
Gordon Chan
Uncle Tang
Chor Yuen
Frankie Lo / Rocky
Jamie Luk Kim-Ming
Advisor Tsao
Guy Lai Ying-Chau
Man on the Telephone at Concert Lobby
Eric Tsang Chi-Wai
Snakehead Sun
Dennis Chan Kwok-San
Department Store Clerk
Clifton Ko Chi-Sum
White Van Driver
Stephen Tung Wai
Card Player
Tsui Hark
Card Player
Ringo Lam Ling-Tung
Card Player
Ng See-Yuen
Priest
John Woo
Priest
Tsui Siu-Ming
Mrs Ma's Gynaecologist
Ann Hui
Rascal
Mars
Thug
Chan Tat-Kwong
Thug
Benny Lai Keung-Kuen
Thug
Roman Tam
Thug
James Ha Chim-Si
Party Guest
Andrew Lau Wai-Keung
Vendor
Raymond Lee Wai-Man
Teddy Yip Wing-Cho
Joe Cheung Tung-Cho
Jameson Lam Wa-Fan
Lau Kar-Wing
Fung Hak-On
Dion Lam
Nicky Li Chung-Chi
Johnny Cheung Wa
David Lam Tak-Luk
Peter Mak Tai-Kit
Yang Chuan
Norman Law Man