A famous scientist and his beautiful daughter travel to Indochina to find an ivory disc that has the formula for a deadly gas engraved on it. An evil doctor and his gang are also looking for it.
![]() |
Evalyn Knapp | Pauline Hargrave |
![]() |
Craig Reynolds | Robert Ward |
![]() |
James Durkin | Prof. Hargrave |
![]() |
John Davidson | Dr. Bashan |
![]() |
Sonny Ray | Willie Dodge |
![]() |
Frank Lackteen | Fang |
![]() |
Pat O'Malley | Tim Sullivan - Aviator Chs. 5-7 |
![]() |
William Desmond | Prof. Thompson Chs. 9-12 |
![]() |
Josef Swickard | Haggins - Foreign Consul Ch. 9 |
![]() |
William Worthington | American Consul Ch. 1 |
![]() |
Adolph Milar | Capt. Drake Chs. 2-3 |
![]() |
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 |
![]() |
Jack Mower | Airport Inspector |
![]() |
Constantine Romanoff | Tyrone |
![]() |
Churchill Ross | American Tourist |
![]() |
Dick Rush | Cop at Fire Scene |
Director | Ray Taylor |
![]() |
Writer | Charles W. Goddard, Ella O'Neill, Basil Dickey, George H. Plympton, Jack Foley | |
Producer | Henry MacRae | |
Photography | Richard Fryer |