John Wayne
— The Air Pilot
Tully Marshall
— The Railroad Manager
Conway Tearle
— The Railroad Attorney
Shirley Grey
— The Secretary
Edmund Breese
— The Secretary's Father
Lloyd Whitlock
— The Air Line Manager
Al Bridge
— The Station Agent
Matthew Betz
— The Engineer Jordan
Joseph W. Girard
— The Railroad Detective
James P. Burtis
— The Railroad Detective's Assistant
Ernie Adams
— Barney
Charles King
— Mike
J. Farrell MacDonald
— Jim Baker
Al Ferguson
— Sandy
Glenn Strange
— Jim
Fred 'Snowflake' Toones
— Sam (uncredited)
Yakima Canutt
— Henchman