Juan Miguel Valdivieso is an active Spanish voice actor known for his work in dubbing animated series and films, as well as live-action productions. He has a medium vocal range and has been active in the dubbing industry, with a notable presence in projects from the late 2010s through the present day.

In the realm of anime, Valdivieso is recognized for his role as the Taxi Driver in the acclaimed film Tokyo Godfathers. He also provided additional voices for the same film. He is known for the role of Toshihiko Tanaka in the series Aoki Densetsu Shoot!.

Beyond these specific anime credits, his voice acting portfolio includes a significant amount of work in animated series. He voiced Papa G George in the Netflix animated series Kid Cosmic across its first, second, and third seasons. He also contributed to the Spanish dub of Ben 10 Versus the Universe: The Movie, providing the voice for the character Azmuth. Valdivieso was part of the dubbing cast for the series Diarios de Bichos (Bug Diaries), providing voices for various characters including Papá Mosca, Abuelo Araña, and Chinche de agua across multiple seasons.

His work extends to dubbing for live-action films and television series as well. He voiced Alpha in the first season of Un futuro desafiante (The Imperfects) and Wayne Cobb in the first and third seasons of Para toda la humanidad (For All Mankind). Additional live-action dubbing credits include roles in series such as Gambito de Dama (The Queen's Gambit), Snowpiercer, and Jack Ryan, as well as films like Capitana Marvel (Captain Marvel) and Ad Astra. Maintaining a consistent and active professional status, Valdivieso has collaborated with numerous fellow voice actors throughout his career in the dubbing industry.