The longest day / [Twentieth Century-Fox presents Darryl F. Zanuck's] ; screenplay by Cornelius Ryan, British exterior episodes directed by Ken Annakin ; American exterior episodes directed by Andrew Marton ; German episodes directed by Bernhard Wicki.

Re-enacts the military operation of D-Day from four points of view--the workings of the high commands of the American, English, French, and German forces in their battle scheme for Normandy. Largely filmed on actual invasion sites in France.