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.
成龍
as John Ma / Boomer
張曼玉
as Barbara
Nina Li Chi
as Tammy
泰迪羅賓
as Tyson
姜大衛
as Sgt Chiang / Hotel Security
黃霑
as Mr. Ma
張艾嘉
as Mrs. Ma
黃志強
as Crazy Bull
Mabel Cheung
as Tsui
Alfred Cheung Kin-Ting
as Boss Yung
王龙威
as Wai
Anthony Chan Yau
as Hotel Concierge
