She played McKenzie in the Disney Channel Original Movie, Teen Beach Movie, and she appeared in "Phineas and Ferb Musical Cliptastic Countdown Hosted by Kelly Osbourne". Mitchell made a cameo appearance as the operator of a cupcake truck in the Muppisode "Food Fight". She has also made a guest appearance in the Jessie episodes "Jessie's Big Break" and "Jessie: Aloha Holidays with Parker & Joey" as Shaylee Michaels. She will reprise that role for a crossover special with Liv & Maddie's Joey and Parker Rooney. She recently provided the voice of Wendy Darling in the Jake and the Never Land Pirates special Jake and the Never Land Pirates: Battle for the Book. She also voices Jasiri in the American animated television series The Lion Guard.