In Singapore, a private detective and the British authorities are on the trail of a crime syndicate that kidnaps a nuclear physicist with the aim of selling him to the highest bidder.
Dan Duryea
as Mike Callahan / Corrigan
Gene Lockhart
as Alexis Pederas
Patric Knowles
as Julian March
Reginald Denny
as Major Ian Bone
Nigel Bruce
as Governor Sir Charles Coutts
Marian Carr
as Frennessey March
Arthur Shields
as Sean O'Connor
Douglass Dumbrille
as Insp. McCollum
Carmen D'Antonio
as Dancer
Keye Luke
as Wong
Clarence Lung
as Johnny Chan
Lou Nova
as Guzik
