Berta Cortés is a Spanish voice actress who dubbed Elmo in Elmo en El País de los Gruñones (the Castilian dub of The Adventures of Elmo in Grouchland). She dubbed him again in the 2003 Catalan language version, as well as the 2003 Barrio Sésamo-brand dubs of Sesame Street home video and TV programming. she also dubbed Nelly in Good Boy!
Cortés began her dubbing career in the 1990s, often in child roles or as cartoon characters. She dubbed Cole Sprouse on Friends, Moises Arias in The Perfect Game, Riki Lindhome in Million Dollar Baby and Much Ado About Nothing, Kerry Condon in Angela's Ashes, and Elisha Cuthbert on 24.
Cartoon roles include Bubbles on The Powerpuff Girls, Buster Baxter on Arthur, Terra on Teen Titans, various characters on Recess, and small parts in Akira. She had a small role in the 2012 film Tengo ganas de ti (I Want You) as an airplane stewardess.