Générique complet
Junior G-Men of the Air
Billy Halop
Ace Holden
Gene Reynolds
Eddie Holden
Lionel Atwill
The Baron
Frank Albertson
Jerry Markham
Huntz Hall
Bolts Larson
Gabriel Dell
Stick Munsey
Bernard Punsly
Creaseball Plunkett
Frankie Darro
Jack
David Gorcey
Double Face Gordon
Turhan Bey
Henchman Araka
John Bleifer
Henchman Beal
EF
Eddie Foster
Henchman Comora
John Bagni
Henchman Augar
Noel Cravat
Henchman Monk
PP
Paul Phillips
Agent Dick Parsons
Kathryn Adams
Grace
William Benedict
Whitey
Lynton Brent
Sergeant
Paul Bryar
Chemist
FB
Frederick Burton
Col. Mitchell
