- Stuart Whitman
- Shatter
- Lung Ti
- Tai Pah / Tai Kung
- Lily Li
- Mai-Mee
- Peter Cushing
- Paul Rattwood
- Anton Diffring
- Hans Leber
- Yemi Goodman Ajibade
- Ansabi M'Goya / Dabula M'Goya (as Yemi Ajibade)
- Chia-Yung Liu
- 1st Bodyguard Hans Leber
- Huang Pei-Chi
- 2nd Bodyguard Hans Leber
- Ya-Ying Liu
- Hans Leber's Girl
- Lo Wai
- Rattwood's thug extra
- Tsan-Hsi Ma
- Thai Boxer
- Han Chiang
- Korean taekwondo fighter
- Hsiung Kao
- Japanese karate fighter
- Po-Chen Yang
- Thug / Killer w. Bazooka (as Pak-Chan Yeung)
- Ho Bao-Hsing
- (uncredited)
- Kwok-Kuen Chan
- (uncredited)
- Ming-Wai Chan
- (uncredited)
- Chiang Chen
- (uncredited)
- Chok-Chow Cheung
- (uncredited)
- Chih-Ping Chiang
- (uncredited)
- Chuen Chiang
- (uncredited)
- Ti-Ko Chen
- (uncredited)
- Hark-On Fung
- Tai's kung fu student extra
- Chi-Chang Ho
- (uncredited)
- Hsia Hsu
- (uncredited)
- Hoi-Sang Lee
- Referee Hanson Lee
- Heng Li
- (uncredited)
- Chiang Lo
- (uncredited)
- Jack Long
- (uncredited)
- Hung Lu
- (uncredited)
- Wong Mei
- Hans Leber's bodyguard
- Yi-Hsiung Chi
- (uncredited)
- Gwa-Pau Sai
- (uncredited)
- Hsin Shen
- (uncredited)
- Te-Chiang Teng
- (uncredited)
- Tung Ting
- (uncredited)
- Fat Tsui
- Hans Leber's bodyguard
- Tsai-Pao Tung
- (uncredited)
- Chi-Keung Wong
- (uncredited)
- Shu-Tong Wong
- Rattwood's thug extra
- Yuan-Shun Wu
- (uncredited)
- Shi-Kwan Yen
- (uncredited)
- Shun-Yee Yuen
- (uncredited)
