Gregory Peck
Capt. Josiah "Joe" Newman, MD
Tony Curtis
Cpl. Jackson "Jake" Leibowitz
Angie Dickinson
Lt. Francie Corum
Eddie Albert
Col. Norval Algate Bliss
James Gregory
Col. Edgar Pyser
Bethel Leslie
Mrs. Helene Winston
Robert Duvall
Capt. Paul Cabot Winston
Jane Withers
Lt. Grace Blodgett
Dick Sargent
Lt. Belden 'Barney' Alderson
Larry Storch
Cpl. Gavoni
Robert F. Simon
Lt. Col. M.B. Larrabee
Syl Lamont
Sgt. Kopp
Paul Carr
Arthur Werbel
Vito Scotti
Maj. Alfredo Fortuno
Crahan Denton
Maj. Gen. Snowden
Gregory Walcott
Capt. Howard
Charlie Briggs
Gorkow
Bobby Darin
Cpl. Jim Tomkins
Margaret Nash
Nurse
Steve Restivo
Italian Prisoner
Barry Atwater
Maj. Dawes (uncredited)
Ted Bessell
Carrozzo - Patient (uncredited)
Gary Bohn
Guest at Christmas Party (uncredited)
Cal Bolder
Patient at Mental Ward (uncredited)
Ron Brogan
Catholic Chaplain (uncredited)
Calvin Brown
Guest at Christmas Party (uncredited)
Marc Cavell
Patient (uncredited)
Ann Doran
Mrs. Pyser (uncredited)
Mike Farrell
Patient (uncredited)
Paul Lukather
Pilot (uncredited)
Ken Swofford
Patient (uncredited)
Sam Reese
Haskell - Patient (uncredited)
Pat Colby
Nurse's Aide (uncredited)
Dan Dowling
Officer at Christmas Party (uncredited)