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

Winston Churchill

Self (archive footage) (uncredited)

Charles de Gaulle

Self (archive footage) (uncredited)