Mercedes Montalá is a Spanish voice actor known for her work in dubbing anime and animated productions into Spanish and Catalan. Her career encompasses a range of roles, from elderly characters to villains, in both films and series. She is active in the Spanish dubbing industry, providing voices for projects distributed in Spain.

Montalá's filmography includes a variety of notable anime titles. She is recognized for voicing the role of Daimyo in the Netflix original anime series Yasuke. In the acclaimed animated film Mirai, she performed the voice of the character Grandmother in the Spanish dub and also voiced the same character, credited as Àvia, in the Catalan version. Her work also includes classic anime films such as Venus Wars, where she played Suzan Sommers, and Locke the Superman, in which she voiced Cornelia Prim. Another significant credit is her role as Anne M. Sullivan in the special Helen Keller Monogatari: Ai to Hikari no Tenshi.

Beyond these roles, her career demonstrates versatility within the fantasy and adventure genres. She has contributed to the Record of Lodoss War franchise, voicing the characters Karla and Leylia in both the original OVA and the Chronicles of the Heroic Knight television series. Her other anime credits include a role in the third One Piece movie, One Piece: Chinjō Shima no Chopper Ōkoku, as Karasuke, and a part in the film Arion as Dona d'Ethos for the Catalan dub. In addition to pure animation, her work extends to dubbing animated films and live-action movies, such as providing the Spanish voice for the character Shatter in the live-action Transformers film Bumblebee and for Hairi in the live-action Ghost in the Shell.