Alanna Ubach (born on October 3. 1975) is an American actress and singer of Puerto Rican and Mexican descent and former student at Le Lycee Francais de Los Angeles. She was the voice actor of Miguel's great-great grandmother Mama Imelda, from the 2017 Pixar's animated movie, Coco. Also, she voices Cutter, Carla Benitez, the orientation narrator, and Rosie Levin in Monsters At Work.