Stuart Whitman as Shatter

Ti Lung as Tai Pah / Tai Kung

Lily Li as Mai Mee

Peter Cushing as Paul Rattwood

Anton Diffring as Hans Leber

Ko Hung as Japanese karate fighter

Keung Hon as Korean taekwondo fighter

James Ma Chim-Si as Thai Boxer

Lau Nga-Ying as Hans Leber's Girl

Lee Hoi-Sang as Referee Hanson Lee

Huang Pei-Chih as Hans Leber's Bodyguard

Lau Kar-Wing as Hans Leber's Bodyguard

Wong Mei as Hans Leber's Bodyguard

Chui Fat as Hans Leber's Bodyguard

Tang Tak-Cheung as Hans Leber's Bodyguard

Lee Hang as Hans Leber's Bodyguard

Yemi Goodman Ajibade as Ansabi M'Goya / Dabula M'Goya

Yeung Pak-Chan as Thug / Killer with Bazooka

Tang Wing-Siu as Tai's Kung Fu Student

Chan Keung as Thug / Killer

Sai Gwa-Pau as Man on the Street

Ho Bo-Sing as Thug

Yuen Shun-Yi as Thug in Nightclub

Alan Chan Kwok-Kuen as Thug in Nightclub

San Sin as Tai's Kung Fu student

Hsu Hsia as Tai's Kung Fu student

Fung Hak-On as Tai's Kung Fu student

Wong Shu-Tong as Rattwood's Thug

Lo Wai as Rattwood's Thug

Ho Kei-Cheong as Rattwood's Thug

Yen Shi-Kwan as Rattwood's Thug

Wong Chi-Keung as Tai's Kung Fu Student

Lui Hung as

Ting Tung as

Tino Wong as

Chan Dik-Hak as

Kong Chuen as

Chik Ngai-Hung as

Cheung Chok-Chow as

Law Keung as

Tung Choi-Bo as

Ng Yuen-Fan as

Chan Ming-Wai as

Cheung Chi-Ping as