Walter Huston as Uncle Sam 'U.S.'

Harry Davenport as Mr. 'C'

Dana Andrews as Ghost of US sailor killed at Pearl Harbor

Paul Hurst as World War I Ghost Soldier

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

James Kevin McGuinness as Narrator (voice)

Philip Ahn as Shinto Priest (uncredited)

Addie Allen as Self (uncredited)

Ralph Byrd as Reporter (uncredited)

James Conaty as Wounded Officer (uncredited)

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

Adolf Hitler as Self (archive footage) (uncredited)

James E. Kelley as Self (uncredited)

Mrs. James E. Kelley as Self (uncredited)

Mrs. William J. Leight as Self (uncredited)

William J. Leight as Self (uncredited)

'Ducky' Louie as Hawaiian Boy (uncredited)

Robert Lowery as Pvt. Joseph L. Lockhart (uncredited)

Benito Mussolini as Self (archive footage) (uncredited)

Irving Pichel as Narrator (voice) (uncredited)

Joseph B. Poindexter as Self (uncredited)

Henry L. Rosenthal as Self (uncredited)

Mrs. Henry L. Rosenthal as Self (uncredited)

Lionel Royce as Mr. Hanneman (uncredited)

William R. Schick Jr. as Self (uncredited)

Mrs. William H. Schick as Self (uncredited)

William H. Schick as Self (uncredited)

Karl Swenson as Machine-Gunner (uncredited)

Mrs. Stephen Szabo as Self (uncredited)

Stephen Szabo as Self (uncredited)

Jesus A. Tafoya as Self (uncredited)

Mrs. Jesus A. Tafoya as Self (uncredited)

Charles Tannen as Mike - Landing Field Officer (uncredited)

H.N. Wallin as Self (uncredited)