"It’s the toughest job I’ve ever done," she says of Lady Macbeth in Justin Kurzel’s screen adaptation of the Bard’s Scottish play. Michael Fassbender is her malleable Macbeth. "And this character was really heavy to share my life with."
She uncrosses and crosses her legs, entering into a mournful hypnosis.
"I put a lot of pressure on myself and I couldn’t get rid of this pressure. It was the darkest role I’ve ever had. And I have played some dark characters. Actually most of the movies I do, they’re not super happy to live.
"But at least, all the characters I had, even in the darkest places, there was a light. With her, no f**king light in Lady Macbeth. The darkness was kind of hard to experience."
Fassbender’s known for his rapscallion ways. Surely he brought some relief to set.
"I think Michael was quite affected too. And the ideas that Justin and him had, I never knew how a scene would turn out. It was interesting to see him carrying Macbeth and I think it’s going to be, for him, I cannot even find the words to describe his Macbeth. It’s going to be so strong."