Cillian Murphy seems unrecognizable after losing a lot of weight: ‘I don’t recommend it.’

The Oppenheimer actor ate ‘one almond every day.’

Cillian Murphy is getting excellent accolades for his major part in Christopher Nolan’s latest film, Oppenheimer, but he had to make some sacrifices to get there.

The 47-year-old made a drastic metamorphosis and lost so much weight for the role that his co-star, Emily Blunt, described him as “emaciated” after going to great measures to play J. Robert Oppenheimer, the “father of the atomic bomb.”

“He had such a massive undertaking. And he could only eat an almond every day,” Emily, who plays Cillian’s on-screen wife, biologist Kitty Oppenheimer, told Extra in a recent interview.