출연진
Ralph Bellamy
Barry Eldon
Tala Birell
Renee Dupont
Victor Kilian
Tiny Davis
Douglass Dumbrille
Victor Arnold
Robert Middlemass
Drewen
Edward Van Sloan
Schutter
Niles Welch
"Marconi"
Robert Allen
Bill Lewis
Billie Seward
Mona Greenwood
Marianne Edwards
Dorothy Dunlap
Geneva Mitchell
Gertie Dunlap
Wyrley Birch
Holden
Pat Flaherty
Frank Dunlap
Wiley Post
Himself
Charles C. Wilson
Newspaper editor
Inez Courtney
Second Nurse (uncredited)
Robert Stanley
Pete's Pal (uncredited)
Ethel Bryant
Egon Brecher
Schulter's Henchman
Al Hill
Arnold's Chief Henchman