Billy Halop
— Cadet Maj. Rollins
Bobby Jordan
— Cadet Ronny Morgan
Huntz Hall
— Cadet Johnny Cabot
Gabriel Dell
— Cadet Georgie Warren
Leo Gorcey
— Slip Duncan
Bernard Punsly
— Dutch (as Bernard Punsley)
John Litel
— Col. Michael Riker
Frankie Thomas
— Cadet Lt. Murphy
Cecilia Loftus
— Mrs. Neeley
Selmer Jackson
— Capt. Evans Dover
Aldrich Bowker
— Father Ryan
Douglas Meins
— Hathaway
William Gould
— Dr. Lewis
Donald Douglas
— Col. Wm. Duncan
Eddie Acuff
— Fort Lewis Sergeant (uncredited)
Jack Gardner
— Soldier at Ordnance Magazine #4 (uncredited)
Sol Gorss
— Doctor Attending Duncan (uncredited)
Jesse Graves
— Mess Hall Aaiter (uncredited)
Creighton Hale
— Doctor Telling Cadets 'No Visitors' (uncredited)
John Hamilton
— A Co. Maneuvers Colonel (uncredited)
John Harron
— Academy Officer Investigating Fracas (uncredited)
Max Hoffman Jr.
— Sergeant in the Trench (uncredited)
William Hopper
— Soldier Getting Radio Report from H4 (uncredited)
Charles A. Lindbergh
— Charles A. Lindbergh (archive footage) (uncredited)
Jack Mower
— Soldier Reporting Blues at H5 (uncredited)
George Offerman, Jr.
— Enrollment Office Clerk (uncredited)
Emory Parnell
— Paddy - Policeman (uncredited)
George Reeves
— Southern Soldier in Trench (uncredited)
John Ridgely
— Fort Lewis Firing Range Sergeant (uncredited)
Dick Simmons
— H4 Radio Operator (uncredited)