Dylan Walsh (born November 17, 1963) is an American actor, perhaps best known as Dr. Sean McNamara in the FX television series Nip/Tuck.
Walsh's first role was in a television movie called Soldier Boys with James Earl Jones. He then landed a role in the movie Loverboy and a regular role on the television series Kate & Allie. In 1989, he started using the name Dylan Walsh professionally. He continued to work in films, such as Betsy's Wedding, Congo, and playing Paul Newman's son in Nobody's Fool, as well as making television appearances in shows like the police drama Brooklyn South, The Twilight Zone and more recently, Everwood.