Takumi Magoshi is a Japanese voice actor born on August 15, 1993, in Kitakyushu, Fukuoka, Japan. He stands 172 cm tall and has blood type O. Information regarding his early career, training, and agency affiliation is not publicly available.

Magoshi is primarily known for his role as Izumi Kashii in the idol anime franchise UniteUp! He voiced this character in the first television anime series, UniteUp!, which began airing in January 2023. He reprised the role for the sequel series, UniteUp! -Uni:Birth-, released in 2025. The UniteUp! project is a multimedia idol initiative by Sony Music, and the anime adaptation was produced by the animation studio CloverWorks.

Beyond his work on the UniteUp! series, Magoshi's voice acting credits include a role in the 2024 animated film Kamino Fude: Kaijuu-tachi no Iru Shima. Information regarding other major voice roles, recurring collaborations with specific directors or co-stars, and notable achievements such as awards or major career milestones is not documented in available sources.