Isaac Robinson-Smith is an American voice actor known for his work in animation, video games, and anime dubbing. Originally from Sacramento, California, he earned a degree in theatre from the University of California, Irvine, and began his career as a stage performer at Disneyland and Universal Studios Hollywood, including work as a lead singer for the Dapper Dans at Disneyland. His interest in voice work started at a very young age, with his mother recalling him imitating characters from television shows like Disney's The Little Mermaid as early as age two.

Robinson-Smith has built a diverse career providing vocals for major studios including Disney, Marvel, Warner Bros., Netflix, DreamWorks, and Square Enix. In the realm of anime and Japanese animation dubbing, he has taken on several notable roles. He voices Joze Carlos Nagato in the 2024 Netflix series Garouden: The Way of the Lone Wolf and portrays Tokimune Kikuiri in the 2023 MAPPA-produced film Maboroshi. His other significant anime voice credits include Donatello Versus in JoJo's Bizarre Adventure: Stone Ocean, Yujiro in the Netflix series Pluto, Adam in Voltron: Legendary Defender, Joseph Iketani and Legba in Akuma-kun, and additional voices in Mobile Suit Gundam GQuuuuuuX.

Beyond traditional anime, Robinson-Smith has become a recognizable presence in superhero animation. He is known for voicing the time-traveling mutant Bishop in Marvel Studios' X-Men '97, as well as providing the voice for Brick in the first season of What If...? and additional voices in Eyes of Wakanda. His work in video games is also extensive, with roles including Garth in Final Fantasy VII Rebirth, Mushu in Disney's Dreamlight Valley, the Black Ranger in Mighty Morphin Power Rangers: Rita's Revenge, Stanley Ironside in Contra: Operation Galuga, and Dark Choco Cookie in Cookie Run: Kingdom.

Throughout his career, Robinson-Smith has frequently collaborated with major animation studios on long-running series, contributing additional voices or guest roles for shows such as Phineas and Ferb, The Loud House, Blaze and the Monster Machines, and Tales of the Teenage Mutant Ninja Turtles. His early work also included performing improv as Optimus Prime and Megatron at Universal Studios Hollywood. With a broad range spanning animation, anime dubbing, and video games, he has established himself as a versatile voice actor in the Los Angeles area, where he currently resides in Toluca Lake.