Joseph David Keery, also known professionally as Djo, is an American actor, singer, and musician. He first gained international recognition for playing Steve Harrington in the science fiction series Stranger Things (2016–2025), and has since starred in the comedy horror film Spree (2020), the comedy film Free Guy (2021), and in the fifth season of the crime comedy-drama series Fargo (2023–2024). As a musician, Keery was a founding member of the psychedelic rock band Post Animal. He left the ban...