"Oh god, it took forever to grow. I was so happy to get rid of it. It was disgusting, the whole thing was disgusting," he told The Hollywood Reporter.
"And I had lost so much weight by the end of the shoot - nearly 35 pounds, we weren't eating the entire time - that when I shaved it off, it was like I had no bottom half of my face. I was like a small, strange squirrel," the 30-year-old actor said.