 Walter HustonUncle Sam 'U.S.' | Uncle Sam 'U.S.' |
 Harry DavenportMr. 'C' | Mr. 'C' |
 Dana AndrewsGhost of US sailor killed at Pearl Harbor | Ghost of US sailor killed at Pearl Harbor |
 Paul HurstWorld War I Ghost Soldier | World War I Ghost Soldier |
 George O'BrienSingle Voice of the Dead Servicemen (voice) | Single Voice of the Dead Servicemen (voice) |
 James Kevin McGuinnessNarrator (voice) | Narrator (voice) |
 Philip AhnShinto Priest (uncredited) | Shinto Priest (uncredited) |
| AAddie AllenSelf (uncredited) | Self (uncredited) |
 Ralph ByrdReporter (uncredited) | Reporter (uncredited) |
| JJames ConatyWounded Officer (uncredited) | Wounded Officer (uncredited) |
 Emperor Hirohito of JapanSelf (archive footage) (uncredited) | Self (archive footage) (uncredited) |
 Adolf HitlerSelf (archive footage) (uncredited) | Self (archive footage) (uncredited) |
| JJames E. KelleySelf (uncredited) | Self (uncredited) |
| MMrs. James E. KelleySelf (uncredited) | Self (uncredited) |
| MMrs. William J. LeightSelf (uncredited) | Self (uncredited) |
| WWilliam J. LeightSelf (uncredited) | Self (uncredited) |
 'Ducky' LouieHawaiian Boy (uncredited) | Hawaiian Boy (uncredited) |
 Robert LoweryPvt. Joseph L. Lockhart (uncredited) | Pvt. Joseph L. Lockhart (uncredited) |
 Benito MussoliniSelf (archive footage) (uncredited) | Self (archive footage) (uncredited) |
 Irving PichelNarrator (voice) (uncredited) | Narrator (voice) (uncredited) |
| JJoseph B. PoindexterSelf (uncredited) | Self (uncredited) |
| HHenry L. RosenthalSelf (uncredited) | Self (uncredited) |
| MMrs. Henry L. RosenthalSelf (uncredited) | Self (uncredited) |
 Lionel RoyceMr. Hanneman (uncredited) | Mr. Hanneman (uncredited) |
| WWilliam R. Schick Jr.Self (uncredited) | Self (uncredited) |
| MMrs. William H. SchickSelf (uncredited) | Self (uncredited) |
| WWilliam H. SchickSelf (uncredited) | Self (uncredited) |
 Karl SwensonMachine-Gunner (uncredited) | Machine-Gunner (uncredited) |
| MMrs. Stephen SzaboSelf (uncredited) | Self (uncredited) |
| SStephen SzaboSelf (uncredited) | Self (uncredited) |
