- Stephen McNally
- Major Jack Page
- Gail Russell
- Janet Page
- Alex Nicol
- Joe Czanoczek
- Richard Long
- Russ Coulter
- Charles Drake
- Captain Sullivan
- Robert Arthur
- Walt Carver
- Rock Hudson
- Upper Classman
- Peggie Castle
- Pat
- James Best
- Jerry Connell
- Parley Baer
- Major Jim Evans
- John Baer
- Cadet
- Angelo J. Boutselia
- (uncredited)
- John B. Bradley
- (uncredited)
- Al Brown
- (uncredited)
- Leroy V. Davis
- (uncredited)
- Paul B. DeCourvney
- (uncredited)
- Russell Dennis
- Instructor
- Alton G. Denton
- (uncredited)
- Edward J. Fox
- (uncredited)
- Harlan B. Franklin Jr.
- (uncredited)
- Ralph L. Griffith
- (uncredited)
- Gus Grissom
- (uncredited)
- Ted Jordan
- Cadet
- John N. Karamanian
- (uncredited)
- Tom A. Keenan
- (uncredited)
- Jack O. Kimball
- (uncredited)
- Eric Norden
- Upperclassman
- John J. O'Donnell
- (uncredited)
- James A. Pryor
- (uncredited)
- H.R. Spicer
- (uncredited)
- Alfred H. Stephens
- (uncredited)
- Donald J. Stuhlman
- (uncredited)
- Dirk Wayne Summers
- Cadet
- Jack Terzian
- (uncredited)
- Lawrence E. Thomas
- (uncredited)
- Gordon S. Wallis
- (uncredited)
- Duwaine L. Weatherwax
- (uncredited)
- William Whatley
- (uncredited)
- Arthur P. Wildern Jr.
- (uncredited)
- Homer R. Woolridge
- (uncredited)
