Gregory Peck
Role: Douglas MacArthur
Ivan Bonar
Role: Lt. Gen. Richard K. Sutherland
Ward Costello
Role: Gen. George C. Marshall
Nicolas Coster
Role: Colonel Sidney Huff
Marj Dusay
Role: Jean MacArthur
Ed Flanders
Role: President Harry S. Truman
Warde Donovan
Role: General Shepherd
Branscombe Richmond
Role: Korean Soldier
Art Fleming
Role: The Secretary
Russell Johnson
Role: Admiral King
Sandy Kenyon
Role: General Wainwright
Robert Mandan
Role: Representative Martin
Allan Miller
Role: Colonel Diller
Dan O'Herlihy
Role: President Roosevelt
Dick O'Neill
Role: Colonel Whitney
Addison Powell
Role: Admiral Nimitz
Tom Rosqui
Role: General Sampson
G. D. Spradlin
Role: General Eichelberger
Kenneth Tobey
Role: Admiral Halsey
Garry Walberg
Role: General Walker
Lane Allan
Role: General Marquat
Barry Coe
Role: Television Reporter
Everett Cooper
Role: General Krueger
Charles Cyphers
Role: General Harding
Manuel DePina
Role: Prettyman
Philip Kenneally
Role: Admiral Doyle
John McKee
Role: Admiral Leahy
Walter O. Miles
Role: General Kenney
Gerald Peters
Role: General Blamey
Eugene Peterson
Role: General Collins
Alex Rodine
Role: General Derevyanko
Yuki Shimoda
Role: Prime Minister Shidehara
Fred Stuthman
Role: General Bradley
Harvey Vernon
Role: Admiral Sherman
William Wellman Jr.
Role: Lieutenant Bulkeley
John Fujioka
Role: Emperor Hirohito
Robert V. Barron
Role: POW (uncredited)
Klair Bybee
Role: Burial Detail Soldier (uncredited)
Howard Fujimoto
Role: Korean Soldier (uncredited)
John Fujioka
Role: Emperor Hirohito (uncredited)
Arthur Godfrey
Role: Self (archive sound) (uncredited)
Bob Harks
Role: Reporter (uncredited)
David Custer Kelly
Role: Photographer on USS Missouri (uncredited)
Evan C. Kim
Role: Major Akio Sakud (uncredited)
Lloyd Kino
Role: Japanese Administrative Assistant (uncredited)
Branscombe Richmond
Role: Korean Soldier (uncredited)
Shane Sinutko
Role: Douglas (uncredited)
Ramon Sison
Role: Lieutenant Colonel (Hospital Commander, Corregidor) (uncredited)
Greg van Wey
Role: Sailor (uncredited)
John Stuart West
Role: Lieutenant Aames (uncredited)
Marion Yuh
Role: Mashito (uncredited)