Jai Courtney is an Australian actor whose voice work in anime and animated projects, while not extensive, includes notable roles in major productions. He is best known in the voice acting sphere for his portrayal of Jashugan in the 2019 cyberpunk film Alita: Battle Angel. This role is significant as the film is a live-action adaptation of Yukito Kishiro's manga series Gunnm, placing Courtney's performance within the broader realm of anime-related media. In the film, Jashugan is a legendary player of the deadly motorball sport, a character that was intended to have a larger presence in potential sequels. Courtney took on the part as an uncredited cameo, stating that he agreed to the role because of an invitation from the film's director, Robert Rodriguez, who expressed interest in potentially expanding the character in future installments.

Beyond Alita: Battle Angel, Courtney has contributed his voice to other animated projects. He provided the voice for the character Flasheart in the Australian animated comedy film 100% Wolf, which was released in 2020. He also voiced a character named Spencer in the third season of the adult animated anthology series Love, Death & Robots, which premiered in 2022. His broader career as a screen actor includes prominent roles in major film franchises such as The Suicide Squad, Terminator Genisys, and Divergent, and it is this established screen presence that has informed his occasional work in voice and anime-adjacent roles. His collaboration with director Robert Rodriguez on Alita: Battle Angel represents a key recurring professional relationship in his voice acting work, born from a desire to work with the filmmaker on a project that held potential for future development. Courtney's achievements in this specific field are tied to his participation in the high-profile, visually ambitious adaptation of a beloved manga, contributing a small but memorable piece to its world-building.