Communists blackmail a shipping executive into spying for them.
Laraine Day
as Nan Lowry Collins
Robert Ryan
as Bradley Collins / Frank Johnson
John Agar
as Don Lowry
Thomas Gomez
as Vanning
Janis Carter
as Christine Norman
Richard Rober
as Jim Travers
William Talman
as Bailey, younger henchman
Paul E. Burns
as J.T. Arnold
Paul Guilfoyle
as Ralston
G. Pat Collins
as Charlie Dover
Fred Graham
as Grip Wilson
Harry Cheshire
as J. Francis Cornwall
