Jeffrey Hunter as Justin Power

France Nuyen as Kitty

Harold Sakata as Big Buddha

Donald Woods as Kane

Linda Ho as Nancy Ho

Robert Ito as Sato

David Chow as Stoneface

Jon Lormer as Professor

Bill Walker as Slim

Virginia Ann Lee as Mute Girl

Lee Kolima as Genghis

Tad Horino as Squeaky

Kam Tong as Kim Fong

Gerald Jann as Chang

Carol Byron as Big Sister

Maggie Thrett as 2nd Sister

Kay Michaels as 3rd Sister

Marianna Case as Sunny

Deanna Lund as Miss Sweet

Ken Spalding as Agent

Robert Phillips as George

Allen Jung as Assassin

John McKee as Grumpy Man

Ruth Foster as Grumpy Man's Wife

R. L. Armstrong as Texan

Ed Parker as Sinister Oriental

Tita Marsell as Spanish Girl

Paul Frees as Big Buddha (voice) (uncredited)