Kevin Thelwell is an American voice actor associated with Funimation and Bang Zoom! Entertainment, known for his extensive work in English dubs of anime series and films. He has built a career voicing a wide range of characters, from supporting roles in popular series to principal characters in major franchises. His date of birth is August 24.

Thelwell's career is marked by a high volume of credits, often in supporting and recurring roles. He voiced the character Zeus in the long-running series One Piece and its associated film, One Piece Film Red. He is also known for taking on roles in multiple acclaimed series, such as providing the voices for both Chise Osen and Rui Kino in the science fiction drama 86. In the sports anime genre, he has appeared as Shinsuke Kita in Haikyu!! To The Top and as Junnosuke Nakano in Aoashi. He also voiced Gakuto Mukahi in The Prince of Tennis II and its subsequent installments.

Thelwell's filmography demonstrates a versatility that spans various genres. He has voiced comedic characters like Naoya Mukai in Girlfriend, Girlfriend and Ishikawa in Aharen-san wa Hakarenai. In more dramatic or action-oriented series, his roles include Mio in Megalo Box 2: Nomad, Evin in The Ancient Magus' Bride, and Eddy Edei in Life Lessons with Uramichi-Oniisan. He has also taken on fantasy and adventure roles, such as Poseidon in Sleepy Princess in the Demon Castle, Julian Loki in BLUELOCK, and Santaro Mita in Tribe Nine. His work extends to other projects as well, including voicing characters in the popular video games Genshin Impact and Pokémon Masters.

Beyond acting, Kevin Thelwell has also contributed to anime production in a directorial capacity. He is frequently credited as an Assistant ADR Director for numerous English dub productions, working on a wide array of series. His credits in this role include series such as The 100 Girlfriends Who Really, Really, Really, Really, Really Love You, BLUELOCK, My Dress-Up Darling, Frieren: Beyond Journey's End, and many others. This behind-the-scenes work highlights his deep involvement in the localization and dubbing process.