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 of France.

"3-disc set"--Container. Based on the book by Cornelius Ryan. Originally produced as a motion picture in 1962. Special features on Blu-ray include: historical commentary with Mary Corey and film commentary with Ken Annakin. Special features on DVD include: audio commentary by Mary Corey and audio commentary with Ken Annakin. Bonus features include: A Day to Remember featurette ; Longest Day: a Salute to Courage featurette ; Hollywood backstories ; D-Day Revisited documentary ; Richard Zanuck on The Longest Day featurette ; Still gallery ; Original theatrical trailer.

Disc 1. Blu-ray (high definition, 178 minutes) -- Disc 2. DVD. (standard definition, 178 minutes) -- Disc 3. DVD. Bonus features.