Sierra McCormick (born October 28, 1997 in Asheville, North Carolina) is an American child actress who is currently appearing in the Disney Channel sitcom A.N.T. Farm as Olive Doyle. She has also appeared as one of the "fifth graders" in the Fox series Are You Smarter Than a 5th Grader. McCormick also co-starred in the film Ramona and Beezus as Susan Kushner. McCormick started her acting career by landing a guest role on Hannah Montana, her other acting credits include 'Til Death, Talkshow with Spike Feresten, Criminal Minds and The Dog Who Saved Christmas.