Remedios Márquez is a Spanish voice actor, dubbing director, and lecturer with a career that began in the late 20th century and continues to the present day. Her professional journey started after she studied at the Faculty of Information Sciences, which is equivalent to a degree in Audiovisual Communication. Her initial foray into the world of voice work was in radio, where she performed in radio novels and sound fictions for the national network Cadena SER. She subsequently worked as a presenter on the radio station Los 40 Principales, simultaneously building a career in dubbing. Her experience in dubbing led to opportunities in advertising, and in the 1990s, she began working at Televisión Española, a role she maintained until 2010, after which she returned to focus primarily on dubbing.

As a voice actor, Márquez is noted for having a low-register voice. Her work is extensive in the Spanish dubbing industry, with credits spanning numerous live-action films and television series where she has provided voices for a wide array of actresses. Some of her credited dubbing roles include voicing Miriam in the series Todo Igual... O No (2022), Marcia in De Vuelta a los 15 (2022), and Pasifae in Ícaro y el Minotauro (2022). She has also dubbed actresses such as Lauren Bacall in The Forger (2018), Ellen Burstyn in Main Street (2021), and Olympia Dukakis in Infiltrator (2016). Her long-running credits also include work on series like Falcon Crest in the 1980s.

In the field of anime and animation, Remedios Márquez is known for her role as the voice of Akemi Suzaku in the 2020 anime series Great Pretender. She has also lent her voice to animated projects such as the series Blood of Zeus (2020), where she voiced the character Clotho, and the film 100% Wolf: Pequeño Gran Lobo (2020), as Lady Hightail.

Beyond performance, Márquez has also worked as a director for reality television shows and documentaries. She remains active as a voice actor and lecturer, sharing her expertise in the field. In the realm of advertising, she has been a sought-after female voice for national campaigns, working with major brands like El Corte Inglés, Hipercor, and the DGT (Directorate-General for Traffic).