"A small, independent air delivery service is menaced by a mad scientist with a death ray machine that blows up planes in mid-flight."
Ralph Bellamy
as Barry Eldon
Tala Birell
as Renee Dupont
Victor Kilian
as Tiny Davis
Douglass Dumbrille
as Victor Arnold
Robert Middlemass
as Drewen
Edward Van Sloan
as Schutter
Niles Welch
as "Marconi"
Robert Allen
as Bill Lewis
Billie Seward
as Mona Greenwood
Marianne Edwards
as Dorothy Dunlap
Geneva Mitchell
as Gertie Dunlap
Wyrley Birch
as Holden
Pat Flaherty
as Frank Dunlap
Wiley Post
as Himself
Charles C. Wilson
as Newspaper editor
Inez Courtney
as Second Nurse (uncredited)
Robert Stanley
as Pete's Pal (uncredited)
Ethel Bryant
as
Egon Brecher
as Schulter's Henchman
Al Hill
as Arnold's Chief Henchman
Albert S. Rogell
Director
Grace Neville
Screenplay
Griffin Jay
Harry Cohn
Producer
Richard Cahoon
Editor
Henry Freulich
Director of Photography