"I have to trust my instincts, and Harry was perfect for this part.” - Christopher Nolan

(RADIO.COM) – Director Christopher Nolan is glowing about Harry Styles’ performance in his new movie Dunkirk. Nolan compared Styles’ performance to that of the late Heath Ledger as “The Joker” in The Dark Knight. The director cast both actors.

(photo credit: Stuart C. Wilson/Getty Images)

“As a director, I have to trust my instincts, my ability to figure out who’s the right guy for the part. I’m not too worried about baggage,” Nolan told Entertainment Tonight.

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“I was new to Harry. I mean, I’ve heard his name from my kids, but I wasn’t really familiar with him… What I was seeing (in his audition) was a very charismatic guy who clearly had a truthfulness and a subtlety in his ability to perform as a film actor.”

(photo credit: Warner Bros. Pictures)

“When I cast Heath Ledger as the Joker [in The Dark Knight], it raised a lot of eyebrows and caused a lot of comment,” he continued.

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“I have to trust my instincts, and Harry was perfect for this part.”

The singer-turned-actor appears with Tom Hardy, Cillian Murphy and Oscar winner Mark Rylance in Nolan’s war epic, which will be debut in theaters on July 21st.

Watch the cast members dish about working with Styles:

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