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Actor Robert Pattinson poses during the photo call for the movie 'Life' at the 2015 Berlinale Film Festival in Berlin Monday, Feb. 9, 2015. Image Credit: AP

British actor Robert Pattinson said on Monday he learned to sympathise with the paparazzi by playing the photographer who helped make James Dean an icon.

Pattinson stars in Anton Corbijn’s Life, which premiered out of competition at the 65th Berlin film festival.

He plays Life magazine photographer Dennis Stock, who befriended Dean in 1955 when the young Rebel Without a Cause actor was on the cusp of fame, and just seven months before Dean’s untimely death in a car crash aged 24.

Life is the fourth feature film by Corbijn, a celebrated rock photographer.

Pattinson, who shot to global stardom with the Twilight series, said he was drawn to the story about the trappings of celebrity and enjoyed, for once, being the one taking the pictures.

“I do feel like being a paparazzi for a second — I do empathise with their plight,” the 28-year-old said with a laugh.

“I was filled with self-loathing, wretchedness — I wanted to really kind of harm myself at the end of every day.”

Pattinson said he had gone through his own “James Dean phase” in his teens getting started in the movie industry.

“It is someone who’s trying to be an artist and his fear of not being as good an artist as he thinks he is the most debilitating part of his life. That’s quite a sort of timeless story,” he said.

Dean is played in the film by Dane DeHaan, best known from The Amazing Spider-Man 2, who captures the actor’s Beat sensibilities and trademark mumble.

DeHaan, 29, said Dean had been “really revolutionary” for harnessing baby boomers’ youthful longing for freedom in the 1950s in the three films he made during his short life.

He said Stock’s photo series of the actor, in which he shot him at home with his family on their Indiana farm and walking through New York, collar turned up against the rain with a cigarette in the corner of his mouth, had helped make him immortal.

“If you’re young person who doesn’t know who James Dean is, you know that photo of him in Times Square, it’s that iconic a photo,” he said.

Corbijn, 59, famous for indelible shots of the Rolling Stones and U2, said he was interested in exploring “the balance between the photographer and his subject” and the tensions that can arise.

“Dennis Stock thinks he’s doing James Dean a favour and James Dean thinks he’s doing Dennis Stock a favour and I’ve been in similar situations,” he said.

Life garnered mixed reviews, with US industry publication Variety calling it an “engaging, elegiac portrait of a legend in the making” while Britain’s Guardian dismissed it as a “laborious, lugubrious movie”.

The Berlin film festival runs until Sunday.