Dalton began his acting career when a film student spotted him doing card tricks for a street crowd, and asked him to audition for the lead role in a Chapman University film. He soon was cast in a role on TV's Criminal Minds, as well as movies, music videos, and commercials. He also starred in the video game Uncharted 4: A Thief's End as young Nathan Drake. In October 2016 Britain started co-starring alongside Billy Bob Thornton and william Hurt in David E. Kelley's Amazon series Goliath.