It’s intimidating enough to play Jackie O, but Minka Kelly felt even more pressure to perform when she found out who was joining the cast of her latest film, The Butler.
“I’m not worthy. I feel so lucky and grateful. I was like, ‘What am I doing here?!’ ” Kelly tells PEOPLE of starring alongside Robin Williams, Forest Whitaker, John Cusack, Vanessa Redgrave, Jane Fonda and more in the upcoming film, which tells the story of a butler who served eight presidents.