Fernando Acaso is a Spanish voice actor known for his work on anime series and films. He was born in Madrid and began his career in dubbing at the age of eight, a path influenced by his father, Félix Acaso, who was also a renowned voice actor. Before dedicating himself fully to dubbing, Acaso was a well-known television presenter in Spain, co-hosting the first two seasons of the reality show Gran Hermano and collaborating on programs with María Teresa Campos. He later decided to return to his roots in voice acting, a field in which he has built an extensive career.

Acaso has lent his voice to a variety of characters in animated productions. He is the Spanish voice of Panda in the anime series Jujutsu Kaisen, a role he reprised for the film Jujutsu Kaisen 0. His other notable anime roles include Shane in the Netflix anime series Pacific Rim: The Black and Celli in the classic series Hana no Ko Lunlun. In addition to animation, his extensive dubbing work includes providing voices for prominent actors such as Robin Williams, Christopher Walken, Christopher Reeve, James Belushi, and Bruce Willis in Spanish-language versions of their films.

Beyond his performance work, Fernando Acaso is also dedicated to teaching. He founded and runs two dubbing schools located in Madrid and Valencia, where he trains new generations of voice actors. He continues to be active in the dubbing industry, balancing his work in the studio with his educational projects.