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"
as Brig. Gen. Theodore Roosevelt Jr.
as Lt. Col. Benjamin Vandervoort
as Brig. Gen. Norman Cota
as Brig. Gen. James M. Gavin
as Col. Thompson
as U.S. Army Ranger
as Madame Barrault
as Father Louis Roulland
as Pvt. Dutch Schultz
as Maj. Werner Pluskat
as Mayor of Colleville
as Flying Officer David Campbell
as Maj. Gen. Dr. Hans Speidel
as Pvt. John Steele
as Maid
as Pvt. Flanagan
as Capt. Frank
as Janine Boitard
as U.S. Army Ranger Major
as U.S. Army Ranger
as Maj. Gen. Robert Haines
as Capt. Harding
as Sgt. Kaffekanne
as Brig. Gen. Edwin P. Parker Jr.
as British Padre
as Field Marshal Gerd von Rundstedt
as Young GI
as Field Marshal Erwin Rommel
as RAF Pilot
as Sgt. (later Lt.) John H. Fuller
as Gen. Wolfgang Häger
as Maj. Gen. Gunther Blumentritt
as Maj. Gen. Walter Bedell Smith
as Lord Lovat
as Louis
as Cmdr. Philippe Kieffer - Commando Leader
as Sgt. Wilder
as Pvt. Morris
as Pvt. Watney
as Pvt. Martini
as Capt. Colin Maud
as Gen. Erich Marcks
as Gen. Raymond D. Barton
as RAF Officer Mac
as Maj. Gen. Max Pemsel
as Joe Williams
as Mother Superior
as Sgt. Guy de Montlaur
as Pvt. Clough
as U.S. Army Ranger
as U.S. Army Ranger
as RAdm. Janjard
as Destroyer Commander
as Maj. John Howard
as Lt. Wilson
as Lt. Col. Ocker
as U.S. Army Ranger
as British Paratrooper
as Lt. Sheen
as Alexandre Renaud
as Group Capt. J.N. Stagg (uncredited)
as Lt. Walsh (uncredited)
as Col. Caffey (uncredited)
as Blumentritt's Adjutant (uncredited)
as Pvt. Harris (uncredited)
as British Soldier (uncredited)
as German Soldier (uncredited)
as French Commando (uncredited)
as Pvt. Coke (uncredited)
as British Paratrooper (uncredited)
as Pvt. Hutchinson (uncredited)
as Meyer's Aide (uncredited)
as French Commando (uncredited)
as Minor Role (uncredited)
as German Guard on Train Track (uncredited)
as British Soldier (uncredited)
as German Soldier (uncredited)
as Gen. Dwight D. Eisenhower (uncredited)
as Minor Role (uncredited)
as Frau Maria Rommel (uncredited)
as RAF Briefing Officer (uncredited)
as Manfred Rommel (uncredited)
as Adm. Creasey (uncredited)
as Capt. Helmuth Lang (uncredited)
as British Soldier (uncredited)
as Col. Gen. Alfred Jodl (uncredited)
as Camp Cook (uncredited)
as Glider Doctor (uncredited)
as Canadian Doctor (uncredited)
as RAdm. Alan G. Kirk (uncredited)
as Capt. Ernst During (uncredited)
as Paratrooper (uncredited)
as Cook (uncredited)
as Major in Ste. Mère-Eglise (uncredited)
as Lt. Fritz Theen (uncredited)
as German Officer with Rupert (uncredited)
as Roosevelt's Aide (uncredited)
as WRNS Officer (uncredited)
as Jean (uncredited)
as Sgt. Bernhard Bergsdorf (uncredited)
as Gen. Sir Bernard L. Montgomery (uncredited)
as Col. Josef 'Pips' Priller (uncredited)
as Firefighter (uncredited)
as Col. Schiller (uncredited)
as Gen. Hans von Salmuth (uncredited)
as Luftwaffe Major (uncredited)
as Lt. Col. Helmuth Meyer (uncredited)
as Lt. Gen. Omar N. Bradley (uncredited)
as German Officer (uncredited)
as Housekeeper (uncredited)
as French Commando (uncredited)
as Paratrooper (uncredited)
as Pemsel's Adjutant (uncredited)
as US Army Medic (uncredited)
as French Spitfire Pilot (uncredited)