Lucas Miagusuku is a Brazilian actor, voice actor, and presenter known for his work in animation, television, and film. His career began in front of the camera, starting as a presenter for the Disney Channel and its sister channel Disney XD in 2009, which involved recording experiences in Argentina and the United States. He made his television acting debut in the series "Quando Toca o Sino" in 2012 and later appeared in the popular soap opera "Malhação - Viva a Diferença" in 2017. He has also performed on stage, including in a production of William Shakespeare's "Noite de Reis," and appeared in films such as "Os Estudantes" and "Maior que o Mundo".

Miagusuku transitioned into voice acting, where he has voiced characters in several prominent anime series. His most notable role is Stark, the young warrior, in the acclaimed series Frieren: Beyond Journey's End. In an interview, he described the character's deep connection with audiences, noting how the show's themes of time and mortality resonate with viewers. Other significant anime roles include Kakeru Manabe in Fruits Basket, Yuki Yoshida in Given, Dantalion Dali in Welcome to Demon School! Iruma-kun, and Matt Monte in I'm in Love with the Villainess. He has also provided additional voices for long-running series like One Piece and performed in the film Mundo Estranho. Beyond anime, his voice acting work includes the character Harry Dankworth for the Brazilian dub of the series Bridgerton and roles in games such as Assassin's Creed: Shadows.

Regarding professional collaborations, Miagusuku worked under the direction of Guilherme Marques and Bruno Sangregório for the dubbing of Frieren: Beyond Journey's End at the DuBrasil studio. In that production, he shared the recording booth with fellow voice actors Jacque Souza (Frieren) and Maria Clara Rosis (Fern), with whom he discussed the emotional weight of the series' scenes. His growing recognition in the industry led to an invitation as a guest at the Anime Friends 2025 convention, where he was promoted as the voice of Stark.

Miagusuku has expressed how the positive reception to his performance in Frieren: Beyond Journey's End was a significant personal achievement. He commented on the uncertainty of working in a recording booth and how the audience's warm response to his work was a fulfilling realization, drawing parallels to his character Stark's own insecurities.