The Spy Ring

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.

• Joseph H. LewisDirector
• George WaggnerScreenplay

• William HallCapt. Todd Hayden
• Jane WymanElaine Burdette
• Esther RalstonJean Bruce (as Jane Carleton)
• Robert WarwickCol. Burdette
• Leon AmesFrank Denton
• Ben AlexanderCapt. Don Mayhew
• Don BarclayPrivate Timothy O'Reilly
• Egon BrecherGeneral A. R. Bowen
• Paul SuttonCharley (Spy-Ring Chauffeur)
• Jack MulhallCapt. Tex Randolph
• LeRoy MasonPaul Douglas
• Harry WoodsCapt. Holden