Shinnosuke Tokudome is a Japanese voice actor affiliated with the agency I'm Enterprise. He was born on August 18, 1997, in Osaka Prefecture, Japan. A graduate of the Japan Narration Acting Institute, Tokudome began his voice acting career in the late 2010s. His distinct voice, which he initially felt self-conscious about during his school years, became a defining strength in his profession. He has cited fellow voice actor Yoshitsugu Matsuoka as a key inspiration for pursuing this career path.

Tokudome has built a diverse portfolio of roles in anime television series, animated films, and video games. In recent years, he has been credited in a significant number of productions. Notable anime roles include Yuya Yamamoto in The Ossan Newbie Adventurer, Trained to Death by the Most Powerful Party, Freed Diarmuit in The Ossan Newbie Adventurer, Trained to Death by the Most Powerful Party, and Nerd D in Loner Life in Another World. His film work includes a role as a classmate in the critically acclaimed Look Back. In the video game realm, his credits include Boron Brioche in Fuga: Melodies of Steel and a player character role in Blue Protocol.

He is also active in ongoing and upcoming series. In 2025, he was cast in roles for several new anime, including Kalkris in Ubel Blatt, Sukemaro in Kimi to Koete Koi ni Naru, Wada in Let's Go Karaoke!, and Feyrith Ivsaar II in The Beginning After the End. He is also set to voice the character Kiyo in the second season of Kakuriyo -Bed & Breakfast for Spirits- and Seri in Kusunoki's Garden of Gods.

Tokudome is attached to a prominent role in the upcoming fantasy anime adaptation of A Tale of the Secret Saint. In this series, scheduled to premiere in April 2026, he voices the dragon Zavilia, a key character alongside the protagonist Fia Ruud, voiced by Shion Wakayama. He has participated in promotional events for the series, such as a special stage event at the Kitakyushu Pop Culture Festival 2025. His body of work reflects a steady rise in the industry, taking on a variety of supporting and lead roles across different media.