Impressive to say the least

I watched 'The Longest Day' on Sunday. I'd never taken time out to read the end credits.
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)
Hubert Deschard .... technical advisor: France (as Commandant Hubert Deschard)
Romain Gary .... script consultant
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)
Maurice Jarre .... conductor
Jonny Jendrich .... technical advisor (as John Jendrich)
James R. Johnson .... technical advisor: UK (as Col. James R. Johnson)
James Jones .... script consultant
Philip Kieffer .... military consultant (as Capitaine De Fregate Philippe Kieffer)
Mickey Knox .... dialogue coach
Pierre Koenig .... military consultant (as General D'Armee Pierre Koenig)
Helmut Lang .... military consultant (as Captain Helmut Lang)
The Earl of Lovat .... military consultant (as Brigadier The Earl of Lovat)
Colin Maud .... technical advisor
Mitch Miller .... music arranger
Sir Frederick Morgan .... military consultant (as General Sir Frederick Morgan)
E.C. Peake .... technical advisor: UK (as Lt. Commander E.C. Peake R.M.)
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)
David Pursall .... script consultant
Erich Maria Remarque .... script consultant
Lucie Marie Rommel .... military consultant (as Frau Lucie Maria Rommel)
Vincent Rossell .... still photographer
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)
Jack Seddon .... script consultant
Elmo Williams .... battle coordinator
Gilbert Chomat .... helicopter pilot: additional photography (uncredited)
Pierre Levent .... cinematographer: incidental photography (uncredited)
Lucie Lichtig .... continuity (uncredited)
John McCorry .... wardrobe (uncredited)
Henri Persin .... cinematographer: incidental photography (uncredited)
Guy Tabary .... aerial photographer (uncredited)
And there was me thinking the Cast was impressive

 

Thanks for the reminder Kelly, that surely was a one off.

 

I was most surprised to see Erich Maria Remarque in there