Blair Underwood (born August 25, 1964) is an American television and film actor. He is perhaps best known as headstrong attorney Jonathan Rollins from the NBC legal drama L.A. Law, a role he portrayed for seven years. He has gained critical acclaim throughout his career, receiving numerous Golden Globe Award nominations, three NAACP Image Awards and 1 Grammy Award.

His feature film debut was the 1985 movie Krush Groove. His 1985 appearance on The Cosby Show landed him a short stint on the ABC soap opera One Life to Live, which eventually led to his performance on the TV series L.A. Law, where he appeared from 1987 to 1994.