The retelling of June 6, 1944, from the perspectives of the Germans, US, British, Canadians, and the Free French. Marshall Erwin Rommel, touring the defenses being established as part of the Reich's Atlantic Wall, notes to his officers that when the Allied invasion comes they must be stopped on the beach. "For the Allies as well as the Germans, it will be the longest day"

• Darryl F. Zanuck Productions
• 20th Century Fox
• Henry Fonda
• John Wayne
• Robert Mitchum
• Robert Ryan
• Eddie Albert
• Paul Anka
• Arletty
• Jean-Louis Barrault