Lloyd Hughes
— Bob Rogers
Marceline Day
— Grace Devine
Wheeler Oakman
— Willard
Walter Miller
— Kelley
Emerson Treacy
— Jimmy Devine
Edward LeSaint
— Bradford
Kit Guard
— Pete
Ashley Buck
— Henchman Lefty
Jerome J. Jerome
— Henchman Hansen
William H. O'Brien
— Henchman Conte
Jay Eaton
— Henchman Blondy
Dick Rush
— Police Sergeant
George Cleveland
— John - The Air Dispatcher (uncredited)
Henry Hall
— Major Thomas (uncredited)
Broderick O'Farrell
— Doctor (uncredited)