Titus Welliver is an American actor whose career has largely been defined by live-action roles in prestige television dramas. However, in the early 2020s, his deep and authoritative voice led to a notable expansion into voice acting for animated and anime-influenced productions. His work in this field includes several high-profile genre projects, marking a distinct chapter in his later career.

Welliver began to establish a presence in animation voice work in 2021. That year, he voiced Carmine Falcone in the animated superhero film Batman: The Long Halloween (Part One), a direct-to-video release adapting a classic comic book storyline. Also in 2021, he entered the specific realm of anime series with a role in the fourth season of Castlevania. Based on the Japanese video game series by Konami, Castlevania is a mature animated production well-regarded within the anime community. In this final season, Welliver voiced the character Ratko, a brutish vampire soldier loyal to the series antagonist, Carmilla. While his earlier screen role in the live-action film Transformers: Age of Extinction as the human antagonist James Savoy is a notable credit, it is his later voice performance in the animated Castlevania series that solidified his entry into voice acting for genre animation.

Beyond these roles, his ongoing involvement in animated adaptations of comic book properties continued. In 2024, Welliver provided his voice for the animated film Watchmen (Part I), which adapts the seminal graphic novel. In this project, he voiced the character Rorschach, one of the central and most complex figures in the story. This casting demonstrates a recurring theme where his voice is utilized for gritty, intense, and morally ambiguous characters, aligning well with the tone of his most famous live-action performances. His approach to these voice roles, developed primarily in the 2020s, has thus added a new dimension to his long career, bringing his distinctive vocal presence to the world of animation and anime.