Junior G-Men of the Air

Ace Holden

Eddie Holden

The Baron

Jerry Markham

Bolts Larson

Stick Munsey

Creaseball Plunkett

Jack

Double Face Gordon

Henchman Araka

Henchman Beal

Henchman Comora

Henchman Augar

Henchman Monk

Agent Dick Parsons

Grace

Whitey

Sergeant

Chemist

Col. Mitchell