Kento Kaku is a Japanese actor who has also taken on notable roles in anime voice acting. While his career is primarily centered on live-action film and television, his participation in high-profile animated projects has brought him recognition in the voice acting field. He is affiliated with the talent agency Amuse Inc.

In the realm of anime, Kaku is known for lending his voice to leading characters in feature films. He voiced the character Naranbayar in the 2023 anime film adaptation of the manga Kin no Kuni Mizu no Kuni (Gold Kingdom and Water Kingdom). Produced by Studio Madhouse, the film features Kaku as the male lead, a young man from the Kingdom of Gold who enters into a pretend marriage with a princess from the rival Kingdom of Water. His co-star in the film was actress Minami Hamabe, who voiced the princess Sara.

Kaku continued his voice work in 2023 with a role in the blockbuster animated film Spy x Family Code: White, where he voiced the character Luka. This film is part of the immensely popular Spy x Family franchise. In 2025, he took on a guest voice role in the long-running and beloved Crayon Shin-chan movie series, appearing in Crayon Shin-chan: The Movie – Super Brilliant! The Scorching Kasukabe Dancers. In this film, he voiced Wolf, a flamboyant Indian billionaire. Kaku has shared that being part of a series he enjoyed since childhood was a source of great personal happiness, and his role in the film also involved singing.

As his filmography demonstrates, Kaku's voice acting work has been in major anime film productions, collaborating with renowned studios and alongside established voice actors. His achievements in this area include being cast in leading roles in prestigious adaptations, highlighting his versatility as a performer beyond his live-action work.