Daishi Kajita is a Japanese voice actor affiliated with the agency Production Ace. He was born on September 26 in Hiroshima Prefecture. His path to voice acting was inspired by a childhood love of performance, encouragement from a friend who hosted a radio program, and the film Welcome to the Ballroom, which solidified his view that voice acting was an engaging profession.

Kajita's career began after he won the Production Ace Award at the agency's 2015 audition, leading to his formal debut. His earliest years in the industry involved voicing minor characters, such as a student in the 2016 anime Watashi ga Motete Dousunda. He continued to build his experience with a variety of supporting roles across television anime, original video animations, and video games throughout the late 2010s. In 2023, he landed his first leading role as Yamato in the anime Big Kuriman.

Kajita has portrayed a wide range of characters in notable anime series. He voiced Rael Kertia, the ambitious and initially antagonistic younger noble, in the 2020 anime adaptation of Noblesse. In 2021, he played the role of Getty in the historical series Cestvs: The Roman Fighter. A significant role came in 2022 when he voiced Asahi Naruhaya, a member of Team Z in the popular sports anime Blue Lock. His other television credits from this period include characters in The Dawn of the Witch and the English dub of Trek to Yomi. In 2024, his roles included櫻間日日輝 (Sakura-ma Hibiki) in The Great Deception of the Ranger Team, and he is set to reprise this role in the 2025 second season. He also joined the cast of the long-running game series刀劍亂舞 (Touken Ranbu) in 2024 as the character九鬼正宗 (Kuki Masamune).

Kajita's most significant career achievement to date is winning the Production Ace Award in 2015, which launched his professional career. He holds a Class 1 ordinary automobile driver's license. His personal interests include watching films, listening to music, attending live concerts, and taking walks. He is also skilled in basketball.