Ken Watanabe is a Japanese actor whose work in English-language voice roles has become a notable part of his international career. While primarily known for his live-action performances in films such as The Last Samurai, Inception, and the Godzilla series, Watanabe has brought his distinctive voice to several major Hollywood animated and computer-generated projects.

Watanabe entered the field of English-language voice acting with his role as Drift, a samurai-inspired Autobot, in the Transformers film series. He first voiced the character in Transformers: Age of Extinction, released in 2014, and reprised the role for its sequel, Transformers: The Last Knight, in 2017. Director Michael Bay announced Watanabe’s casting, noting his status as a gifted and versatile actor joining the long-running franchise.

In 2018, Watanabe contributed his voice to the stop-motion animated film Isle of Dogs, directed by Wes Anderson. In this film, he played the role of the Head Surgeon. The following year, he took on the dual role of actor and voice actor in Pokémon: Detective Pikachu. In the live-action film, he portrayed Detective Hide Yoshida, and he also provided the character's voice for the Japanese dub of the movie.

While Watanabe is listed as playing the role of Detective Yokoyama in the series Ikebukuro West Gate Park, this was a live-action performance in a Japanese television drama, not an animated voice role. His career as a voice actor in Western animation and film is an extension of his broader success as an internationally recognized screen actor, leveraging his distinctive vocal presence for character work in big-budget franchise films.