- Jean Barral
- technical advisor: France (as Commandant Jean Barral)
- Roger Bligh
- technical advisor: USA (as Lt. Col. Roger Bligh)
- Günther Blumentritt
- military consultant (as General Günther Blumentritt)
- Willard L. Bushy
- technical advisor: USA (as Commander Willard L. Bushy)
- Maurice Chauvet
- technical advisor
- Hubert Deschard
- technical advisor: France (as Commandant Hubert Deschard)
- James M. Gavin
- military consultant (as Lieutenant General James Gavin)
- A.J. Hillebrand
- technical advisor: USA (as Lt. Col. A.J. Hillebrand)
- John Howard
- military consultant (as Major John Howard D.S.O. C. de G.)
- James R. Johnson
- technical advisor: England (as Col. James R. Johnson D.S.O. O.B.E.)
- Philippe Kieffer
- military consultant (as Capitaine De Fregate Philippe Kieffer)
- Pierre Koenig
- military consultant (as General D'Armee Pierre Koenig)
- Helmut Lang
- military consultant (as Captain Helmut Lang)
- Simon Fraser 15th Lord Lovat
- military consultant (as Brigadier The Earl of Lovat D.S.O. M.C.)
- Frederick Morgan
- military consultant (as General Sir Frederick Morgan)
- E.C. Peake
- technical advisor: England (as Lt. Commander E.C. Peake R.N.)
- Max Pemsel
- military consultant (as Lieutenant General Max Pemsel)
- Werner Pluskat
- military consultant (as Major Werner Pluskat)
- Fernand Prevost
- technical advisor: France (as Capitaine Fernand Prevost)
- Josef Priller
- military consultant (as Colonel Josef Priller)
- Lucie Marie Rommel
- military consultant (as Frau Lucie Maria Rommel)
- Friedrich Ruge
- military consultant (as Vice Admiral Friedrich Ruge)
- Albert Saby
- technical advisor: France (as Colonel Albert Saby)
- Joseph B. Seay
- technical advisor: USA (as Colonel Joseph B. Seay)
- Elmo Williams
- coordinator of battle episodes
- Curt Ackermann
- german voice dubbing: Alexander Knox (uncredited)
- Ferruccio Amendola
- italian voice dubbing: Red Buttons (uncredited)
- Georges Aminel
- french voice dubbing: Edmond O'Brien (uncredited)
- René Arrieu
- french voice dubbing: Peter Lawford (uncredited)
- Albert Augier
- french voice dubbing: Karl John (uncredited)
- Claude Bertrand
- french voice dubbing: John Wayne (uncredited)
- Lothar Blumhagen
- german voice dubbing: Rod Steiger (uncredited)
- Nino Bonanni
- italian voice dubbing: Sean Connery (uncredited)
- Wilhelm Borchert
- german voice dubbing: Richard Burton (uncredited)
- Marcel Bozzuffi
- french voice dubbing: Rod Steiger (uncredited)
- Yves Brainville
- french voice dubbing: Heinz Reincke (uncredited)
- Rainer Brandt
- german voice dubbing: Stuart Whitman (uncredited)
- Marc Cassot
- french voice dubbing: Richard Todd (uncredited)
- Michael Chevalier
- german voice dubbing: Richard Beymer (uncredited)
- Gilbert Chomat
- helicopter pilot: additional photography (uncredited)
- Emilio Cigoli
- italian voice dubbing: John Wayne (uncredited)
- Luciano De Ambrosis
- italian voice dubbing: Richard Burton (uncredited)
- Gualtiero De Angelis
- italian voice dubbing: Robert Ryan & Richard Burton (uncredited)
- Manlio De Angelis
- italian voice dubbing: Tom Tryon (uncredited)
- Renato De Carmine
- italian voice dubbing: Peter van Eyck (uncredited)
- Jacques Deschamps
- french voice dubbing: Donald Houston (uncredited)
- Henry Djanik
- french voice dubbing: Sean Connery (uncredited)
- Arturo Dominici
- italian voice dubbing: Curd Jürgens (uncredited)
- Jean-Pierre Duclos
- french voice dubbing: Steve Forrest (uncredited)
- Eckart Dux
- german voice dubbing: Jeffrey Hunter (uncredited)
- Erich Fiedler
- german voice dubbing: Bourvil (uncredited)
- Richard Francoeur
- french voice dubbing: Paul Hartmann (uncredited)
- Michel Gatineau
- french voice dubbing: Ray Danton (uncredited)
- Pierre Gay
- french voice dubbing: Patrick Barr (uncredited)
- Lauro Gazzolo
- italian voice dubbing: Fernand Ledoux (uncredited)
- Gerhard Geisler
- german voice dubbing: Robert Mitchum (uncredited)
- Horst Gentzen
- german voice dubbing: Paul Anka (uncredited)
- Adolfo Geri
- italian voice dubbing: Leo Genn & Kenneth More (uncredited)
- Roberto Gicca
- italian voice dubbing: Robert Wagner (uncredited)
- Heinz Giese
- german voice dubbing: Leo Genn (uncredited)
- Sergio Graziani
- italian voice dubbing: Steve Forrest (uncredited)
- Michel Gudin
- french voice dubbing: Tom Tryon (uncredited)
- Hans W. Hamacher
- german voice dubbing: Patrick Barr & John Gregson (uncredited)
- Fred Hift
- publicist (uncredited)
- Gert Günther Hoffmann
- german voice dubbing: Richard Todd (uncredited)
- Jonny Jendrich
- technical advisor (uncredited)
- Paul Klinger
- german voice dubbing: Henry Fonda (uncredited)
- Mickey Knox
- dialogue coach (uncredited)
- Serge Lhorca
- french voice dubbing: Sal Mineo (uncredited)
- Pino Locchi
- italian voice dubbing: Wolfgang Lukschy (uncredited)
- Raymond Loyer
- french voice dubbing: Robert Ryan (uncredited)
- Riccardo Mantoni
- italian voice dubbing: Peter Lawford (uncredited)
- Guy Marchand
- techical advisor (uncredited)
- Philippe Mareuil
- french voice dubbing: Robert Wagner (uncredited)
- Arnold Marquis
- german voice dubbing: John Wayne (uncredited)
- Jean Martinelli
- french voice dubbing: Henry Fonda (uncredited)
- Mario Mastria
- italian voice dubbing: Richard Todd (uncredited)
- Colin Maud
- technical advisor (uncredited)
- Jean-Claude Michel
- french voice dubbing: Richard Burton & Hans Christian Blech (uncredited)
- Lillian Michelson
- researcher (uncredited)
- Roland Ménard
- french voice dubbing: Mel Ferrer & Lyndon Brook (uncredited)
- Serge Nadaud
- french voice dubbing: Eddie Albert (uncredited)
- Horst Niendorf
- german voice dubbing: Edmond O'Brien (uncredited)
- Glauco Onorato
- italian voice dubbing: Eddie Albert (uncredited)
- Giulio Panicali
- italian voice dubbing: Henry Fonda (uncredited)
- Nino Pavese
- italian voice dubbing: Paul Hartmann (uncredited)
- Dina Perbellini
- italian voice dubbing: Madeleine Renaud (uncredited)
- Bruno Persa
- italian voice dubbing: Wolfgang Preiss (uncredited)
- Werner Peters
- german voice dubbing: Eddie Albert (uncredited)
- Heinz Petruo
- german voice dubbing: Sean Connery & Christian Marquand (uncredited)
- Amilcare Pettinelli
- italian voice dubbing: Alexander Knox (uncredited)
- Mario Pisu
- italian voice dubbing: Edmond O'Brien (uncredited)
- Guy Piérauld
- french voice dubbing: Red Buttons (uncredited)
- Gigi Proietti
- italian voice dubbing: Ray Danton (uncredited)
- Claude Péran
- french voice dubbing: Henry Grace (uncredited)
- Giuseppe Rinaldi
- italian voice dubbing: Jeffrey Hunter & Richard Beymer (uncredited)
- Carlo Romano
- italian voice dubbing: Rod Steiger & Hans Christian Blech (uncredited)
- Paul Edwin Roth
- german voice dubbing: Jean-Louis Barrault (uncredited)
- Michel Roux
- french voice dubbing: Stuart Whitman (uncredited)
- Roger Rudel
- french voice dubbing: Jeffrey Hunter (uncredited)
- Serge Sauvion
- french voice dubbing: Alexander Knox (uncredited)
- Erich Schellow
- german voice dubbing: Mel Ferrer (uncredited)
- Friedrich Schoenfelder
- german voice dubbing: Peter Lawford (uncredited)
- Siegfried Schürenberg
- german voice dubbing: Robert Ryan (german version) (uncredited)
- Vinicio Sofia
- italian voice dubbing: Norman Rossington (uncredited)
- Herbert Stass
- german voice dubbing: Red Buttons (uncredited)
- Pierre Trabaud
- french voice dubbing: Paul Anka (uncredited)
- Roger Tréville
- french voice dubbing: Robert Mitchum (uncredited)
- Massimo Turci
- italian voice dubbing: Robert Wagner (uncredited)
- Renato Turi
- italian voice dubbing: Robert Mitchum (uncredited)
- André Valmy
- french voice dubbing: Leo Genn & Werner Hinz (uncredited)
- Hans Verner
- french voice dubbing: Wolfgang Preiss (uncredited)
- Howard Vernon
- french voice dubbing: Peter van Eyck (uncredited)
- Aleardo Ward
- italian voice dubbing: Sal Mineo (uncredited)
- Claus Wilcke
- german voice dubbing: Sal Mineo (uncredited)
