Sean Amsing is an actor recognized for his work in both animated and live-action productions. He is known for providing the English voice for the character Yuuta Kobayashi in the anime series Mega Man: Upon a Star. The series, an original video animation based on the popular video game franchise, features Amsing in this role, bringing the Japanese schoolboy character to an English-speaking audience.

Beyond this anime credit, Amsing's career is extensively documented in live-action television and film. His on-screen appearances span numerous popular TV series, including roles in Stargate SG-1, Supernatural, Riverdale, Altered Carbon, and Psych. His film credits include titles such as Noelle, Always Be My Maybe, and Prom Pact. This body of work points to a versatile performer with a sustained presence in the entertainment industry since at least the mid-1990s, though his voice acting roles in animation, specifically within the anime genre, appear to be limited based on available information.