- Tyrone Power
- Martin 'Marty' Maher
- Maureen O'Hara
- Mary O'Donnell
- Robert Francis
- James N. Sundstrom Jr.
- Donald Crisp
- Old Martin
- Ward Bond
- Capt. Herman J. Kohler
- Betsy Palmer
- Kitty Carter
- Philip Carey
- Charles 'Chuck' Dotson
- William Leslie
- James Nilsson 'Red' Sundstrom
- Harry Carey Jr.
- Dwight D. Eisenhower
- Patrick Wayne
- Abner 'Cherub' Overton
- Sean McClory
- Dinny Maher
- Peter Graves
- Cpl. Rudolph Heinz
- Milburn Stone
- Capt. John Pershing
- Erin O'Brien-Moore
- Mrs. Koehler
- Walter Ehlers
- Mike Shannon
- Willis Bouchey
- Maj. Thomas
- Don Barclay
- McDonald
- Mary Benoit
- Undetermined Secondary Role
- Richard Bishop
- Undetermined Secondary Role
- Dona Cole
- Peggy
- Chuck Courtney
- Whitey Larson
- Ken Curtis
- Undetermined Secondary Role
- Lisa Davis
- Nell
- Diane DeLaire
- Nurse
- Harry Denny
- Priest
- Mimi Doyle
- Nun
- Ken DuMain
- Cadet
- Jack Ellis
- Officer
- Robert Ellis
- Cadet Short
- Fritz Ford
- Undetermined Secondary Role
- Steve Forrest
- Sergeant
- Raoul Freeman
- Officer
- James Gonzalez
- Football Game Spectator
- Marv Goux
- Football Player
- Tom Hennesy
- Cadet Dotson
- John Herrin
- Cadet Ramsey
- Bob Hoy
- Cadet Kennedy
- Chester Jones
- Servant
- Philip Kieffer
- Superintendent
- Robert Knapp
- Lieutenant
- Leon McLaughlin
- Undetermined Secondary Role
- Martin Milner
- Jim O'Carberry
- Harold G. Moore
- Undetermined Secondary Role
- Jean Moorhead
- Undetermined Secondary Role
- Jack Mower
- Undetermined Secondary Role
- Donald Murphy
- Army Captain
- Ron Nyman
- Recruit
- James O'Hara
- Cadet Thorne
- Pat O'Malley
- Priest
- Jack Pennick
- Recruiting Sergeant
- Russell P. Reeder
- Commandant of Cadets
- Robert Roark
- Cadet Pirelli
- Mickey Roth
- Cadet Stern
- Keith Schultz
- Kitty's Infant Son
- Kevin Schultz
- Kitty's Infant Son
- Jim Sears
- Knute Rockne
- Mickey Simpson
- New York Policeman
- Elbert Steele
- The President
- Harry Tenbrook
- Waiter
- Norm Van Brocklin
- Gus Dorias
- Pat White
- Cadet's Girlfriend
