Christopher Nolan admits he didn't realise how famous Harry Styles was before the director cast him in Dunkirk... as the singer reveals his on-set nerves ahead of his film debut

He shot to international stardom as one fifth of One Direction, gaining the adoration of millions of teenage girls. 

But it appears Harry Styles's stardom was lost on director Christopher Nolan, who admitted he didn't realise how famous the singer was before he cast him in Second World War epic Dunkirk. 

The director, 46, said the former boy band member was 'really remarkable' in his audition and won the role through his acting talent. 

Unaware: Christopher Nolan admitted he didn't realise how famous Harry Styles was before he cast him in Dunkirk (pictured with co-star Fionn Whitehead)

Unaware: Christopher Nolan admitted he didn't realise how famous Harry Styles was before he cast him in Dunkirk (pictured with co-star Fionn Whitehead)

Christoper said: 'I don't think I was that aware of how famous Harry was. I mean my daughter had talked about him, my kids talked about him but I wasn't really aware of it.

'The truth is I cast Harry because he fit the part wonderfully and truly earned his seat at the table. 

'What he does in the film is really remarkable in its subtleness and truthfulness and I hope people will comes to his performance with an open mind because I think he's an extraordinarily talented actor.'

Harry will play the role of Alex, a British soldier, in the historical drama alongside newcomer Fionn Whitehead and Tom Hardy. 

Acting talent: Christopher said: 'The truth is I cast Harry because he fit the part wonderfully and truly earned his seat at the table'

Acting talent: Christopher said: 'The truth is I cast Harry because he fit the part wonderfully and truly earned his seat at the table'

Supporter: Harry admitted he was a big fan of the director and found it nerve-wracking being on set with him

Supporter: Harry admitted he was a big fan of the director and found it nerve-wracking being on set with him

The former One Direction star, who is a big fan of Christopher Nolan, told Kristien Morato that he was nervous about working with the esteemed director. 

Harry said: 'Being a fan of Chris and being on set with him, it's hard not to be in awe of him just in the way that he works.

'You feel lucky that you get to watch someone like that work and someone so passionate of what they're doing I feel is always a privilege to be around people like that.

Soldiering on: Harry will play the role of Alex, a British soldier, in the historical drama alongside newcomer Fionn Whitehead and Tom Hardy

Soldiering on: Harry will play the role of Alex, a British soldier, in the historical drama alongside newcomer Fionn Whitehead and Tom Hardy

'Chris knows what he wants and he's such an amazing director that you definitely feel like you don't want to let him down. I definitely feel like that's definitely a big part of the nerves.' 

Even though his role in the Second World War film could be Harry's big break into the film industry, the singer isn't certain about the future of his acting career.  

He said: 'I can't say I've really thought about it too much. When I heard about this movie, I think I would have been really excited to watch it had I not been involved at all.

'And I just felt very lucky to be involved in something I thought was going to be amazing. But I haven't really thought about it too much.'

New career move? Even though his role in the Second World War film could be Harry's big break into the film industry, the singer isn't certain about the future of his acting career

New career move? Even though his role in the Second World War film could be Harry's big break into the film industry, the singer isn't certain about the future of his acting career

The singer also revealed his former bandmates are looking forward to watching his big screen debut, which will hit cinemas on July 21. 

He said: 'They're big fans of Chris too and they're excited to see it so yeah it was good.'

Even though he knew he would be working with an international star, newcomer Fionn admitted he wasn't phased by Harry's fame. 

He said: 'I didn't have an expectations. He was a newcomer, I was a newcomer. I was just willing and ready to work with him. I had already auditioned with him so I knew he was good.'  

Esteemed director: Dunkirk, which will be released in the UK on July 21, is the latest offering from Christopher, who directed The Dark Knight and Interstellar

Esteemed director: Dunkirk, which will be released in the UK on July 21, is the latest offering from Christopher, who directed The Dark Knight and Interstellar

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