Betrayal and espionage abound as an experimental aircraft is readied for its maiden voyage.
Peter Lorre
Brian Donlevy
Helen Wood
Ralph Morgan
Thomas Beck
Kay Linaker
Lester Matthews
Earle Foxe
J. Carrol Naish
Gloria Roy
Oscar Apfel
Paul Stanton
Howard Hickman
Lynn Bari
Madge Bellamy
William Benedict
