"I passionately believe that this is one of the greatest casts put together for any movie", the director said, also offering his admiration to the 13 British army veterans who were in attendance at the premiere.
Harry's role in the movie marks his acting debut, although he has since revealed he won't be taking on anymore film roles.
"I'm maybe one and done". I've peaked too soon!
The two heartthrobs - one a world famous singer, the other a royal - shared pleasantries on the red carpet inside the Odeon in Leicester Square. There's nowhere to go'.
Harry learned first hand about the massive 1940 operation to save hundreds of thousands of servicemen from advancing Nazi forces when he met men who had been on the French beaches.More news: 'Game of Thrones': Sophie Turner shares secret relationship with Joe Jonas
Tom Hardy, Cillian Murphy and Kenneth Branagh are also among the leading names in the cast of the hotly-anticipated new film, which is released in the United Kingdom on July 21. It is thought that 68,111 were killed or captured.
Nolan directed "Dunkirk" from his own original screenplay, utilizing a mixture of IMAX® and 65mm film to bring the story to the screen.
"I think it is a very important film to remind us of the potential in us when things are really bad, as they were in Dunkirk". "I just wanted to be involved".
Dunkirk hits theaters on July 21, 2017.