Isidro Olace was a Mexican-American actor renowned for his extensive career in radio and voice dubbing, particularly noted for his work in anime and live-action dubbing for Spanish-speaking audiences. Born Isidro Olace Miranda on June 4, 1935, in Mexico City, he began his artistic journey as a child actor in 1948, participating in radio novels on prominent stations like XEW. His early career was deeply rooted in Mexican radio, where he became an iconic figure as the long-standing narrator for the famed radio serial Kalimán during the 1960s and 1970s, a role that cemented his place in popular culture.

In the late 1970s, Olace relocated to Los Angeles, California, where he became one of the pioneering actors, alongside Salvador Nájar and Carlos Petrel, to establish a base for Spanish-language dubbing in the United States. He maintained a prolific career in Los Angeles for decades, contributing his voice to a vast array of projects and becoming a foundational figure in the dubbing industry there.

His voice can be recognized across a wide spectrum of animated series and films. In the realm of anime, he is known for his role as Muff Potter in the 1980 series The Adventures of Tom Sawyer and as Inserto in Roots Search. His work in animation also includes iconic characters such as Dr. Claw in the first dub of Inspector Gadget, Commander Cobra in G.I. Joe, and several roles in the original Transformers G1 series, including Wheeljack and Thundercracker. His versatility extended to numerous other anime and animated productions like Mazinger Z, Sport Billy, and Tokko.

Beyond animation, Olace was a highly active voice actor for live-action films and series. He lent his voice to a multitude of prominent characters in major Hollywood productions for their Latin American dubs. Some of his most recognizable film roles include John Hammond in Jurassic Park, Richard Nixon in Forrest Gump, and characters in films such as Congo, Blood In, Blood Out, and The Flintstones. His work in television dubbing included roles in series like Diff'rent Strokes and The Bold and the Beautiful.

Throughout his six-decade career, Isidro Olace collaborated with many of the leading figures in the dubbing industry, including his contemporaries in Los Angeles such as Carlos Petrel and Antonio Raxel, and later with actors like Jorge García. He also worked extensively as a dubbing director, further influencing the craft. His contributions were recognized by his peers, and his passing on November 19, 2018, in Mexico City was noted by the National Association of Interpreters. Isidro Olace left behind a legacy as a foundational and versatile voice in Spanish-language media, whose work touched generations of listeners and viewers across the Americas.