Roger Isasi-Isasmendi Jordà is a Spanish voice actor known for his work in dubbing anime, films, and television series into Spanish and Catalan. Born on February 28, 1983, he is the son of actor Enric Isasi-Isasmendi, a renowned voice actor known for his narration in the Catalan dub of Dragon Ball. Roger Isasi-Isasmendi began his voice acting career at a young age, with some of his earliest roles including voicing Jim Hawkins in the Catalan and Spanish dubs of the Disney film Treasure Planet and Kenai in Brother Bear. He also provided the voice for Mickey in the Catalan version of the series The Mickey Mouse Club.

Isasi-Isasmendi has built an extensive career with a wide range of prominent anime roles in both Spanish and Catalan. For the Spain Spanish dub, he is known for voicing Haru Yukima in 7SEEDS, Philly the Kid in Cannon Busters, Kaname Tosen in Bleach, Shun Izaki in the live-action films Crows Zero and Crows Zero II, Levius Cromwell in Levius, Domas in Ranking of Kings, and Cloud Strife in the film Final Fantasy VII: Advent Children and the video game Kingdom Hearts II. In the Catalan dub, his notable roles include Son Goten in Dragon Ball GT, Kei Tsukishima in the Haikyu!! series, Raymond Ray Kon in Beyblade, Nobuo Nobu Terashima in NANA, and the title character in Sonic Prime. Beyond anime, he also voices Olaf from the Frozen films and Finn from the recent Star Wars films in Catalan.

In addition to his work as a performer, Roger Isasi-Isasmendi holds a leadership position within the voice acting community, serving as the president of DUB, the voice actors' union in Barcelona.