Jaime Vega is a veteran Mexican actor specializing in voice dubbing, with a career spanning several decades in the entertainment industry. Originating from Mexico City, his acting preparation was undertaken with esteemed teachers Seki Sano and Salvador Novo, as well as through Mexico's National Institute for Youth. His professional activity has extended across film, television, radio, theater, and commercial voice-over work.

Vega's extensive filmography includes a significant number of anime and animation dubs for the Latin American market. He is credited with providing the Spanish voice for a wide array of characters in various productions. These roles include Zetsu Daidan in the series Back Arrow, Yu En in Resident Evil: Infinite Darkness, and The Elder in the Star Wars: Visions anthology. He also voiced Kigetsu in Sword Gai: The Animation and its second part, and Kyoichi Amamoto in Suikoden Demon Century. Vega has been the Mexican dub voice for the character Dr. Sewashi in the Mazinger Z franchise, lending his voice to both the television series and the film Mazinger Z: Infinity.

Beyond the specific titles mentioned, his work in anime and animation is quite broad. He is recognized as the Latin Spanish voice of Professor Agasa in several installments of the Case Closed franchise, also known as Detective Conan. His other credits include roles in Bleach: Thousand-Year Blood War as Mayuri Kurotsuchi, Demon Slayer: Kimetsu no Yaiba as Jigoro Kuwashima, Vinland Saga as Sverkel, and the film Metropolis as Dr. Klunky. He has also been involved in dubs for productions like Platinum End, Promare, and Yasuke.

In addition to his work in Japanese animation, Vega's dubbing career is extensive in live-action and Western animation. He is well-known for being one of the primary Mexican dub voices for actors such as Danny DeVito and Ed Asner. Some of his notable roles in this area include Leslie Chow in The Hangover film trilogy, Anger in the Disney-Pixar film Inside Out, and Jack Arnold in the series The Wonder Years. His work has also extended to puppetry, having performed as Bodoque on the Mexican children's program Plaza Sésamo in the 1980s.