Richard Dix
— Capt. 'Gibby' Gibson
Mary Astor
— Follette Marsh
Robert Armstrong
— Lt. 'Woody' Curwood
Dorothy Jordan
— 'Pest' Curwood
Joel McCrea
— Red
Erich von Stroheim
— Arthur von Furst
Hugh Herbert
— Sergeant Fritz
Ralph Ince
— Jettick
Marjorie Peterson
— Stenographer
Ralph Lewis
— Joe
William B. Davidson
— Lelewer
Frank Clarke
— Flier (uncredited)
Thomas A. Curran
— Night Watchman (uncredited)
Edgar Dearing
— Policeman Wanting Report (uncredited)
Art Goebel
— Flier (uncredited)
Dick Grace
— Flier (uncredited)
Arnold Gray
— Tall Actor in War Film (uncredited)
Freeman Lang
— Tall Actor in War Film (uncredited)
Leo Nomis
— Flier (uncredited)
Frank O'Connor
— Officer (uncredited)