<Tr> <Th> Years active </Th> <Td> 2006--present </Td> </Tr> <Tr> <Th> Known for </Th> <Td> Breaking Bad (2008--2013) </Td> </Tr> <P> Roy Frank "RJ" Mitte III (born August 21, 1992) is an American actor, producer, and model . He is best known for his role as Walter "Flynn" White Jr. on the AMC series Breaking Bad (2008--13). Like his character on the show, he has cerebral palsy . After moving to Hollywood in 2006, he began training with personal talent manager Addison Witt . They sought acting opportunities where his disability would serve to educate viewers, which led him to audition for the role in Breaking Bad . </P> <P> Mitte was born in Jackson, Mississippi . He was delivered by emergency caesarian and was not breathing at the time of his birth, which resulted in permanent brain damage . He was adopted a few weeks later by Roy Frank Mitte Jr. and Dyna Mitte, who later separated . He was diagnosed with cerebral palsy at the age of three, and doctors put his legs in casts for six months in an attempt to straighten his feet . </P>

Who plays walt's son in breaking bad