But for casting director Denise Chamian, Butler’s captivating persona stuck with her throughout the audition process.

“There was something about Austin to me that was a little reminiscent of Elvis,” she toldVariety.

That, combined with his unbelievable transformation into Presley, set Butler out among the rest.

Austin Butler at Elvis premiere in London

Second to that was making sure that he wasn’t playing “a caricature” of the icon.

that I could make my face identical to his."

By the end of the filming, Butler’s dedication ended with him in hospital.

Priscilla Presley and Austin Butler at Cannes

“It was all-consuming,” he told Entertainment Weekly.

“Then my body just said, ‘All right, I need to rest.'”

“We’d find these moments that could somehow express his humanity,” Butler explained toEntertainment Weekly.

Austin Butler performing as Elvis Presley

They both lost their momos at a young age.

“Learning how close he was with his mom .

I could connect to him on that level of grief.”

Austin Butler as Elvis Presley in Elvis

To Butler’s castmates, his transformation into Presley was unbelievable.

Obviously, much work went into transforming Butler into Presley personally and as a team.