David Niven
— Lt. Commander John Finchhaven, R.N.
Faye Dunaway
— Jennifer Winslow
Alan Alda
— Lt. J / G Morton Krim
Mickey Rooney
— Cook 3 / C W.J. Oglethorpe
Jack Carter
— Gunner's Mate Orville Toole
Juano Hernández
— Ali Shar
Manu Tupou
— Seaman 1 / C Lightfoot Star
Barry Kelley
— Admiral Barnwell
Leonard O. Smith
— Dyak
Richard Guizon
— Dyak
John Cochran
— Dyak
Jerry Fujikawa
— Admiral Shimagoshi
Winston Churchill
— Self (archive footage) (uncredited)
Charles de Gaulle
— Self (archive footage) (uncredited)
Olivia de Havilland
— Self (archive footage) (uncredited)
Errol Flynn
— Self (archive footage) (uncredited)
Adolf Hitler
— Self (archive footage) (uncredited)
Van Johnson
— Self (archive footage) (uncredited)
Dorothy Lamour
— Self (archive footage) (uncredited)
Vivien Leigh
— Self (archive footage) (uncredited)
Douglas MacArthur
— Self (archive footage) (uncredited)
Benito Mussolini
— Self (archive footage) (uncredited)
Gregory Peck
— Self (archive footage) (uncredited)
Franklin D. Roosevelt
— Self (archive footage) (uncredited)
Ann Sheridan
— Self (archive footage) (uncredited)
Joseph Staline
— Self (archive footage) (uncredited)
Robert Taylor
— Self (archive footage) (uncredited)
Bess Truman
— Self (archive footage) (uncredited)
Hideki Tojo
— Self (archive footage) (uncredited)