For Disney, she played Monica in That's So Raven, Madame Tiffany in Shake It Up, and Calista in the Freeform TV show Melissa & Joey. Brown also provided the voice of Ursula in ABC's Once Upon a Time, and voices Luna in the Disney Channel series Elena of Avalor. She voiced Boat Maria in Penn Zero: Part-Time Hero and Brigid in Star vs. the Forces of Evil. She also voiced Tracy Triceratops in Doc McStuffins. She also voices Lt. Valeria in LEGO Star Wars: The Freemaker Adventures. She also played Dina in the ABC TV show The Mayor. She will play Aunt Sarah in the 2019 version of Lady and the Tramp.