 David NivenLt. Commander John Finchhaven, R.N. | Lt. Commander John Finchhaven, R.N. |
 Faye DunawayJennifer Winslow | Jennifer Winslow |
 Alan AldaLt. J / G Morton Krim | Lt. J / G Morton Krim |
 Mickey RooneyCook 3 / C W.J. Oglethorpe | Cook 3 / C W.J. Oglethorpe |
 Jack CarterGunner's Mate Orville Toole | Gunner's Mate Orville Toole |
 Juano HernándezAli Shar | Ali Shar |
 Manu TupouSeaman 1 / C Lightfoot Star | Seaman 1 / C Lightfoot Star |
 Barry KelleyAdmiral Barnwell | Admiral Barnwell |
| LLeonard O. SmithDyak | Dyak |
| RRichard GuizonDyak | Dyak |
| JJohn CochranDyak | Dyak |
| JJerry FujikawaAdmiral Shimagoshi | Admiral Shimagoshi |
 Winston ChurchillSelf (archive footage) (uncredited) | Self (archive footage) (uncredited) |
 Charles de GaulleSelf (archive footage) (uncredited) | Self (archive footage) (uncredited) |
 Olivia de HavillandSelf (archive footage) (uncredited) | Self (archive footage) (uncredited) |
 Errol FlynnSelf (archive footage) (uncredited) | Self (archive footage) (uncredited) |
 Adolf HitlerSelf (archive footage) (uncredited) | Self (archive footage) (uncredited) |
 Van JohnsonSelf (archive footage) (uncredited) | Self (archive footage) (uncredited) |
 Dorothy LamourSelf (archive footage) (uncredited) | Self (archive footage) (uncredited) |
 Vivien LeighSelf (archive footage) (uncredited) | Self (archive footage) (uncredited) |
 Douglas MacArthurSelf (archive footage) (uncredited) | Self (archive footage) (uncredited) |
 Benito MussoliniSelf (archive footage) (uncredited) | Self (archive footage) (uncredited) |
 Gregory PeckSelf (archive footage) (uncredited) | Self (archive footage) (uncredited) |
 Franklin D. RooseveltSelf (archive footage) (uncredited) | Self (archive footage) (uncredited) |
 Ann SheridanSelf (archive footage) (uncredited) | Self (archive footage) (uncredited) |
 Joseph StalinSelf (archive footage) (uncredited) | Self (archive footage) (uncredited) |
 Robert TaylorSelf (archive footage) (uncredited) | Self (archive footage) (uncredited) |
 Bess TrumanSelf (archive footage) (uncredited) | Self (archive footage) (uncredited) |
 Hideki TojoSelf (archive footage) (uncredited) | Self (archive footage) (uncredited) |
