Maru Guzmán is a highly respected Mexican actress and dubbing director with a prolific career in voice acting for animation, television, and film. Born in Durango, her artistic journey began at the young age of four when she joined La Compañía Infantil de Televicentro. Her entry into the world of dubbing came in 1963 through work on television commercials, and she was formally introduced to a dubbing company at the age of ten. She honed her craft under the guidance of notable teachers such as Fernando Álvarez and Narciso Busquets, which laid the foundation for a decades-long career.

Guzmán's voice is widely recognized across generations for her work in both Western animation and Japanese anime. In the realm of anime, she has lent her voice to a diverse array of characters. She is known for roles such as the President in Coicent, Princess Aurora in Science Fiction Saiyuki Starzinger, and Shigeru in Seigi wo Aisuru Mono Gekkō Kamen, which is noted as her debut role. Her filmography also includes Miwa Izuki in Kotetsu Zieg, the iconic Ivan Whisky/001 in Cyborg 009 The Cyborg Soldier, Juanita Marmota in Fables of the Green Forest, Charlotte in Mary and The Witch's Flower, Margaret "Meg" March in Little Women, and Isabel in Paris no Isabelle. Other significant anime credits include Joan Randall and Ken in Captain Future, Katty and Lunlun in Hana no Ko Lunlun, and roles in series like Naruto, Sailor Moon, and Zatch Bell.

Beyond anime, Guzmán's voice work in Western animation is equally distinguished. She was the official Spanish voice of Tweety Bird for many years across various Looney Tunes films and projects, and she also voiced Piglet for a significant period. Her versatility extends to video games and live-action dubbing, where she has directed and provided voices for numerous productions. Notably, she has been the recurring voice of Agent O in the Men in Black film series. Her role as Jill Munroe in the Spanish dubbing of Charlie's Angels, voicing Farrah Fawcett, was a major milestone that brought her widespread recognition in the dubbing industry.

In addition to her performance work, Maru Guzmán has also contributed as a dubbing director, working on projects such as the series Deko Boko Friends. Her extensive body of work, encompassing thousands of roles, has established her as a foundational and celebrated figure in the world of Spanish dubbing in Mexico.