Billy Halop as Cadet Maj. Rollins

Bobby Jordan as Cadet Ronny Morgan

Huntz Hall as Cadet Johnny Cabot

Gabriel Dell as Cadet Georgie Warren

Leo Gorcey as Slip Duncan

Bernard Punsly as Dutch (as Bernard Punsley)

John Litel as Col. Michael Riker

Frankie Thomas as Cadet Lt. Murphy

Cecilia Loftus as Mrs. Neeley

Selmer Jackson as Capt. Evans Dover

Aldrich Bowker as Father Ryan

Douglas Meins as Hathaway

William Gould as Dr. Lewis

Donald Douglas as Col. Wm. Duncan

Eddie Acuff as Fort Lewis Sergeant (uncredited)

Jack Gardner as Soldier at Ordnance Magazine #4 (uncredited)

Sol Gorss as Doctor Attending Duncan (uncredited)

Jesse Graves as Mess Hall Aaiter (uncredited)

Creighton Hale as Doctor Telling Cadets 'No Visitors' (uncredited)

John Hamilton as A Co. Maneuvers Colonel (uncredited)

John Harron as Academy Officer Investigating Fracas (uncredited)

Max Hoffman Jr. as Sergeant in the Trench (uncredited)

William Hopper as Soldier Getting Radio Report from H4 (uncredited)

Charles A. Lindbergh as Charles A. Lindbergh (archive footage) (uncredited)

Jack Mower as Soldier Reporting Blues at H5 (uncredited)

George Offerman, Jr. as Enrollment Office Clerk (uncredited)

Emory Parnell as Paddy - Policeman (uncredited)

George Reeves as Southern Soldier in Trench (uncredited)

John Ridgely as Fort Lewis Firing Range Sergeant (uncredited)

Dick Simmons as H4 Radio Operator (uncredited)

Elliott Sullivan as Leader at Position H4 (uncredited)