Sammir Hernández is a Mexican voice actor recognized for his work in dubbing, particularly in anime, animated series, and live-action productions for the Latin American market. His filmography demonstrates a consistent presence in the industry, with a focus on voicing young male characters and child roles across various genres and formats.

Hernández's career encompasses a wide range of prominent anime titles. He is known for voicing Taiyo Hayakawa in the popular series Chainsaw Man. His work also includes roles in long-running and celebrated franchises, such as providing the voice for a young Franky and a young Roronoa Zoro for the 2024 redub of One Piece. He has also contributed to major series like Demon Slayer: Kimetsu no Yaiba as Kiriya Ubuyashiki, Jujutsu Kaisen 0 as a young Yuta Okkotsu, and Bleach: Thousand-Year Blood War as a young Shunsui Kyōraku. Other notable anime credits include Gomamon in Digimon Adventure: Last Evolution Kizuna, Rollo in Trigun Stampede, and Shinji Ikari as a child in the Netflix dub of Neon Genesis Evangelion.

In addition to his extensive anime work, Hernández has taken on significant roles in animated series and films from various countries. He voices George in the seventh season of the long-running children's series Peppa Pig and is the voice of the titular character in Charlie in Color City. His work in Western animation also includes roles as a young Viktor in the critically acclaimed series Arcane, King Ezran in The Dragon Prince, and the lead character Orion in the film Orion and the Dark.

Hernández's performance as Taishi Koiwai in the 2022 Netflix film Drifting Home (Hogar a la deriva) serves as a key example of his work in anime films. The film, produced by Studio Colorido, features a Latin Spanish dub directed by Diego Becerril at the New Art studio, with Hernández voicing one of the central child characters. This role is part of a broader portfolio of anime film credits that also include Kiriya Ubuyashiki in Demon Slayer: To the Hashira Training and voicing Gomamon in Digimon Adventure: Last Evolution Kizuna.

His body of work shows recurring involvement in dubbing for major streaming platforms and studios, with numerous credits in productions for Netflix and other distributors. While his roles are diverse, a significant portion of his credits involves voicing child versions of main characters or young protagonists, establishing him as a frequent contributor to the dubbing of youth-oriented roles in major animated and live-action properties.