Maru Guerrero is a Mexican voice actor with a career in dubbing that began in 1980. She is recognized for her extensive work in anime, animation, and live-action dubbing for the Latin American Spanish market. Guerrero studied acting at the Instituto Andrés Soler, an institution associated with the Asociación Nacional de Actores, which helped lay the foundation for her professional career.

Her filmography includes a wide range of prominent anime series. She is particularly well-known for her multiple roles in the series Saint Seiya, also known as Los Caballeros del Zodiaco, where she voiced characters including Marin de Águila and Shaina de Ofiuco. Another landmark role in her career is Ritsuko Akagi in the original dubbing of Neon Genesis Evangelion. Guerrero has also contributed her voice to other notable anime such as Ranma ½ as Princess Ori, Sailor Moon Sailor Stars as Sailor Aluminum Seiren, InuYasha as Shizu, and Pokémon as the character Madeleine. As specified in the query, her voice roles also include Hermana Jill in Re: Cutie Honey and Teko in Mahou Shoujo Lalabel.

Beyond her work in Japanese animation, Guerrero's career encompasses a broad spectrum of voice acting. She has lent her voice to animated series like Popeye el marino as Oliva Olivo and Spider-Man as Dr. Mariah Crawford. Her live-action dubbing credits are extensive and include dubbing actors such as Laura Linney in The Truman Show, Nicole Kidman in Billy Bathgate, and Kim Basinger in My Stepmother Is an Alien, among many others. She has also been involved in dubbing for major film franchises, providing a voice for a Decoy Queen in Star Wars: Episode I – The Phantom Menace.

In addition to her on-screen work, Guerrero has also worked as a dialogue director, contributing to the creative process behind dubbing projects. She continues to be active in her field, combining her voice acting with work in theater, television, and commercial voice-over.