 William HallCapt. Todd Hayden | Capt. Todd Hayden |
 Jane WymanElaine Burdette | Elaine Burdette |
 Esther RalstonJean Bruce (as Jane Carleton) | Jean Bruce (as Jane Carleton) |
 Robert WarwickCol. Burdette | Col. Burdette |
 Leon AmesFrank Denton | Frank Denton |
 Ben AlexanderCapt. Don Mayhew | Capt. Don Mayhew |
 Don BarclayPrivate Timothy O'Reilly | Private Timothy O'Reilly |
 Egon BrecherGeneral A. R. Bowen | General A. R. Bowen |
 Paul SuttonCharley (Spy-Ring Chauffeur) | Charley (Spy-Ring Chauffeur) |
 Jack MulhallCapt. Tex Randolph | Capt. Tex Randolph |
 LeRoy MasonPaul Douglas | Paul Douglas |
 Harry WoodsCapt. Holden | Capt. Holden |
 Phillip TrentCapt. Robert Scott | Capt. Robert Scott |
 Lester DorrFiring Range Radio Operator (uncredited) | Firing Range Radio Operator (uncredited) |
 Pat GleasonReporter (uncredited) | Reporter (uncredited) |
 Eddie GribbonSergeant Who Threatens Mayhew (uncredited) | Sergeant Who Threatens Mayhew (uncredited) |
 Harry HarveyReporter (uncredited) | Reporter (uncredited) |
 Carlyle Moore Jr.Cavalry Officer Playing Polo (uncredited) | Cavalry Officer Playing Polo (uncredited) |
 Eddie ParkerReporter (uncredited) | Reporter (uncredited) |
 John RidgelySpy Ring Member (uncredited) | Spy Ring Member (uncredited) |
 Frances RobinsonGirl at Officer's Club Dinner (uncredited) | Girl at Officer's Club Dinner (uncredited) |
 Carl StockdaleFiring Range Officer (uncredited) | Firing Range Officer (uncredited) |
 Glenn StrangeThe 'Champ' (uncredited) | The 'Champ' (uncredited) |
 Forrest TaylorG-2 Sergeant (uncredited) | G-2 Sergeant (uncredited) |
 Carleton YoungPolo Game Timekeeper (uncredited) | Polo Game Timekeeper (uncredited) |
