James Cagney
— Admiral William 'Bull' Halsey
Dennis Weaver
— Andy Lowe
Ward Costello
— Harry Black
Vaughn Taylor
— Mike Pulaski
Richard Jaeckel
— Roy Webb
Les Tremayne
— Frank Enright
Walter Sande
— Horace Keys ("Doc")
Karl Swenson
— Bill Bailey
Richard Carlyle
— Father Gehring
Carl Benton Reid
— Robert Ghormley
William Schallert
— Thomas G. Lamphier Jr.
Raymond Bailey
— Vandergrift
Leon Lontoc
— Manuel
Robert Burton
— Roy Geiger
Harry Landers
— Joseph Foss
Robert Montgomery
— Narration (American scenes)
Art Gilmore
— Narration (Japanese scenes)
Carleton Young
— Colonel Evans Carlson
James Yagi
— Rear Admiral Jiro Kobe
Nelson Leigh
— Adm. Dan Callaghan (uncredited)
Sydney Smith
— Rear Admiral Norm Scott (uncredited)
Maggie Magennis
— Red Cross Nurse Young (uncredited)
John McKee
— Lieutenant Harrison Ludlam (uncredited)
Richard H. Cutting
Selmer Jackson
Jim Jacobs
Frank Latimore
Herbert Lytton
