The Oscar-nominated actor and his co-star Adam Driver prepared for their roles in the Martin Scorsese-directed drama by spending eight days in rural Wales, and Garfield says the experience left him feeling mad, reported Female First.
"It was a beautiful experience but when we got out it was like we had lost our minds.
"We spent a three-hour car ride in an outpouring of vile language and imagery. There was a lot of giggling and crying too," the 33-year-old actor said.