출연진
Evalyn Knapp
Pauline Hargrave
Craig Reynolds
Robert Ward (as Robert Allen)
James Durkin
Prof. Hargrave
John Davidson
Dr. Bashan
Sonny Ray
Willie Dodge
Frank Lackteen
Fang
Pat O'Malley
Tim Sullivan
William Desmond
Prof. Thompson
Josef Swickard
Haggins, Foreign Consul
William Worthington
American Consul
Adolph Milar
Capt. Drake
James Wang
Foo Chow, Bashan's Henchman
Don Brodie
Airline Official
Wong Chung
Chinese Man
George DeNormand
New York Henchman
Beulah Hutton
Woman Accomplice in Singapore
Al Kikume
Bashan's Attendant
Ethan Laidlaw
Fake Museum Watchman
Tom London
Soldier at American Consulate
Merrill McCormick
Guide-Henchman
Monte Montague
Police Guard