Challenge of the Tiger

Two CIA agents, a kung fu master and a suave womanizer, track the stolen formula for a super-sterility drug from Spain to Hong Kong, battling Neo-Nazi terrorists and a Vietnamese spy ring for its possession.

• 
  Huang Kin-Lung

  Huang Lung
• 
  Richard Harrison

  Richard Cannon
• 
  Hwang Jang-Lee

  Comrade Yang
• 
  Nadiuska

  Maria
• 
  Brad Harris

  Leopard
• 
  Tito García
• 
  Chiang Tao

  "Convict"
• 
  Bolo Yeung

  Chang
• 
  Dick Randall

  Dick
• 
  Jon T. Benn

  Head of the Agency (uncredited)