Brother of Julia Roberts who played a disturbing role in Star 80. His role in the 1985 film, Runaway Train, earned him nominations for Golden Globe and Academy Awards.
He debuted on NBC's daytime soap opera, Another World, in 1977. The following year, he earned a Golden Globe nomination for his starring role in King of the Gypsies.
He was nominated for a Golden Globe Award for his role in the 1983 film, Star 80.
His sister is actress Julia Roberts and his daughter is actress Emma Roberts. His mother Betty Lou and father Waiter Grady Roberts worked as actors and and playwrights. In 1992, he married Eliza Roberts.
He had a role in the film Bloodwork, which starred Tricia Helfer.