"The lives of a close-knit group of brothers growing up in Iowa during the days of the Great Depression and of World War II and their eventual deaths in action in the Pacific theater are chronicled in this film based on a true story."
Anne Baxter
as Katherine Mary Sullivan
Thomas Mitchell
as Mr. Thomas F. Sullivan
Selena Royle
as Mrs. Alleta Sullivan
Edward Ryan
as Albert Leo 'Al' Sullivan
Trudy Marshall
as Genevieve 'Gen' Sullivan
John Campbell
as Francis Henry 'Frank' Sullivan
James Cardwell
as George Thomas Sullivan
John Alvin
as Madison Abel 'Matt' Sullivan
George Offerman, Jr.
as Joesph Eugene 'Joe' Sullivan
Roy Roberts
as Father Francis
Ward Bond
as Lt. Cmdr. Robinson
Nancy June Robinson
as Genevieve, as a child (uncredited)
Bobby Driscoll
as Al, as a child (uncredited)
Mary McCarty
as Gladys (uncredited)
Johnny Calkins
as Joe, as a child (uncredited)
Buddy Swan
as George, as a child (uncredited)
Edward Doherty
Story
Jules Schermer
Lloyd Bacon
Director
Mary C. McCall, Jr.
Writer
Lucien N. Andriot
Director of Photography
Louis R. Loeffler
Editor
Cyril J. Mockridge
Original Music Composer
James Basevi
Art Direction
Leland Fuller
Thomas Little
Set Decoration
René Hubert
Costume Design
Alfred Newman
Music Director
George Leverett
Sound
Harry M. Leonard