Two American-army officers are working on a new type of machine-gun for anti-aircraft warfare, when one of them is murdered. The other vows to get the spies that are after the invention and avenge his friend's death.
as Capt. Todd Hayden
as Elaine Burdette
as Jean Bruce (as Jane Carleton)
as Col. Burdette
as Frank Denton
as Capt. Don Mayhew
as Private Timothy O'Reilly
as General A. R. Bowen
as Charley (Spy-Ring Chauffeur)
as Capt. Tex Randolph
as Paul Douglas
as Capt. Holden
as Capt. Robert Scott
as Firing Range Radio Operator (uncredited)
as Reporter (uncredited)
as Sergeant Who Threatens Mayhew (uncredited)
as Reporter (uncredited)
as Cavalry Officer Playing Polo (uncredited)
as Reporter (uncredited)
as Spy Ring Member (uncredited)
as Girl at Officer's Club Dinner (uncredited)
as Firing Range Officer (uncredited)
as The 'Champ' (uncredited)
as G-2 Sergeant (uncredited)
as Polo Game Timekeeper (uncredited)
