Sara Heras is a Spanish voice actor with a career spanning over two decades, known for her versatility in dubbing animation, live-action series, and film. She began her professional journey in voice acting during her childhood, an early start influenced by her family's involvement in the dubbing industry. Over the years, she has established herself as the regular Spanish dub voice for prominent actresses such as Ariana Grande and Emily Osment.

Heras has an extensive portfolio of work in anime, lending her voice to a wide array of characters for the Spanish dub. Some of her most recognized roles in this genre include Fenneko in the Netflix series Aggretsuko and its holiday special, Aggretsuko: We Wish You a Metal Christmas. She also voiced Kai Harn in the metal-fantasy series BASTARD!! -Heavy Metal, Dark Fantasy- and Marin Temari in the time-travel sci-fi series revisions. Her work in anime further includes the character Shiho Tsukishima in Studio Ghibli's Whisper of the Heart and Reina in the miniseries Pokémon Origins. Her filmography also features roles in other major anime productions such as Angela in Carole & Tuesday, Yuki Yoshikawa in Horimiya: The Missing Pieces, and various characters across the Pokémon franchise, including multiple films and the XY & Z series.

Beyond anime, Heras's career is marked by a wide range of notable roles in other media. She is the voice of Tinker Bell in the Spanish versions of the Disney fairy's film series and voiced Mabel Pines in the animated series Gravity Falls. In the realm of video games, she provided the voice for Freya in the acclaimed titles God of War (2018) and God of War: Ragnarök. Her live-action dubbing work is equally prolific, encompassing Cat Valentine in Victorious, Lily Truscott in Hannah Montana, and a recurring role as Aimee in Sex Education.

Heras's talent has been recognized within the dubbing industry. In 2025, she was nominated as a finalist for the Premios Nacionales de Doblaje in the category of Best Actress in Film Dubbing. This nomination was for her performance as Glinda, the voice of Ariana Grande, in the live-action film Wicked: Part 1.