Antonio Crespo was a prominent Spanish voice actor, primarily recognized for his extensive work in dubbing foreign productions into Spanish. He was considered one of the legendary voices from Barcelona, contributing to numerous films and television series over several decades.

Crespo's career was centered on voice dubbing, lending his voice to a wide array of characters in both live-action and animated works. While he is noted for his work on various international films, including several Euro-westerns, his filmography also includes significant contributions to the world of anime for Spanish audiences.

Among his notable voice roles in anime was Dr. Izumi in the classic mecha series Fighting General Daimos. He also provided the Spanish voice for the character Carlos in the series Andes Shōnen Pepero no Bōken, Dr. Aikawa in the Kama Sutra OVA, and Swifty the space bird in The Adventures of the Little Prince. His repertoire further included the role of Ganko in the film Horus: Prince of the Sun, Robert J. Dimitri in Grey: Digital Target, and Sr. Rogers in The Adventures of Tom Sawyer. Another of his roles was Fritz in the animated series Bobobobs.

Antonio Crespo passed away in Spain on September 1, 2015, at the age of 85, leaving behind a legacy as a foundational figure in Spanish dubbing.