Robert Mitchum

as Quinlan

Richard Egan

as Ridgeway

Leslie Nielsen

as Riley Knight

Bradford Dillman

as Odums

Keye Luke

as Chung Wei

Chan Sing

as Killer

George Cheung

as Jimmy Wong

Lam Ching-Ying

as (uncredited)

Yuen Biao

as (uncredited)

Yuen Wah

as (uncredited)

Mars

as (uncredited)

Tai Bo

as (uncredited)

Peter Chan Lung

as (uncredited)

Fung Hak-On

as Extra (uncredited)

Ching Bo-san

as Extra

Billy Chan Wui-Ngai

as Extra

Suen Chi-Wai

as Extra

Gam Biu

as Drug Boss at Meeting

Huang Pa-Ching

as Guard (uncredited)

Law Keung

as Extra (uncredited)

Nick Lam Wai-Kei

as Drug Boss

Tony Leung Siu-Hung

as Extra (uncredited)

Ga Lun

as Extra

Chan Ming-Wai

as Extra (uncredited)

Gam Tin-Chue

as Drug Boss At Meeting (uncredited)

Fred Pope

as Ernst de Bovenkamp (uncredited)