Walter Huston
Uncle Sam 'U.S.'

Harry Davenport
Mr. 'C'

Dana Andrews
Ghost of US sailor killed at Pearl Harbor

Paul Hurst
World War I Ghost Soldier

George O'Brien
Single Voice of the Dead Servicemen (voice)

Philip Ahn
Shinto Priest (uncredited)

Addie Allen
Self (uncredited)

Ralph Byrd
Reporter (uncredited)

James Conaty
Wounded Officer (uncredited)

Emperor Hirohito of Japan
Self (archive footage) (uncredited)

Adolf Hitler
Self (archive footage) (uncredited)

James E. Kelley
Self (uncredited)

Mrs. James E. Kelley
Self (uncredited)

Mrs. William J. Leight
Self (uncredited)

William J. Leight
Self (uncredited)

'Ducky' Louie
Hawaiian Boy (uncredited)

Robert Lowery
Pvt. Joseph L. Lockhart (uncredited)

Benito Mussolini
Self (archive footage) (uncredited)

Irving Pichel
Narrator (voice) (uncredited)

Joseph B. Poindexter
Self (uncredited)