| Henry Fonda | | Brig. Gen. Theodore Roosevelt Jr. |
| Arletty | | Madame Barrault |
| Robert Mitchum | | Brig. Gen. Norman Cota |
| Jean-Louis Barrault | | Father Louis Roulland |
| Richard Beymer | | Pvt. Dutch Schultz |
| Hans Christian Blech | | Maj. Werner Pluskat |
| Bourvil | | Mayor of Colleville |
| Eddie Albert | | Col. Thompson |
| Richard Burton | | Flying Officer David Campbell |
| Paul Anka | | U.S. Army Ranger |
| Wolfgang Büttner | | Maj. Gen. Dr. Hans Speidel |
| Red Buttons | | Pvt. John Steele |
| Pauline Carton | | Maid |
| Sean Connery | | Pvt. Flanagan |
| Ray Danton | | Capt. Frank |
| Irina Demick | | Janine Boitard |
| Fred Dur | | U.S. Army Ranger Major |
| Fabian | | U.S. Army Ranger |
| Mel Ferrer | | Maj. Gen. Robert Haines |
| Steve Forrest | | Capt. Harding |
| Gert Fröbe | | Sgt. Kaffekanne |
| Leo Genn | | Brig. Gen. Edwin P. Parker Jr. |
| John Gregson | | British Padre |
| Paul Hartmann | | Field Marshal Gerd von Rundstedt |
| Peter Helm | | Young GI |
| Werner Hinz | | Field Marshal Erwin Rommel |
| Donald Houston | | RAF Pilot |
| Jeffrey Hunter | | Sgt. (later Lt.) John H. Fuller |
| Karl John | | Gen. Wolfgang Hager |
| Curd Jürgens | | Maj. Gen. Gunther Blumentritt |
| Alexander Knox | | Maj. Gen. Walter Bedell Smith |
| Peter Lawford | | Lord Lovat |
| Fernand Ledoux | | Louis |
| Christian Marquand | | Cmdr. Philippe Kieffer - Commando Leader |
| Dewey Martin | | Sgt. Wilder |
| Roddy McDowall | | Pvt. Morris |
| Michael Medwin | | Pvt. Watney |
| Sal Mineo | | Pvt. Martini |
| Kenneth More | | Capt. Colin Maud |
| Richard Münch | | Gen. Erich Marcks |