Dylan Charles Hunter Walsh (born November 17, 1963) is an American actor. He is best known for his role as Dr. Sean McNamara in the FX television series Nip/Tuck.
Walsh was born Dylan Charles Hunter Walsh in Los Angeles, California. His maternal grandfather, Frank P. Haven, was a managing editor of the Los Angeles Times. His parents worked for the Foreign Service—they met in Ethiopia. As a result, Walsh lived in Kenya, India, Pakistan and Indonesia as a boy. His family returned to the United States when he was ten years old and settled in Virginia, where Walsh began acting in high school. He graduated from the University of Virginia in 1986 with a degree in English. After graduating from college, Walsh moved to New York City to act professionally.
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 including Betsy's Wedding, Nobody's Fool, Congo, The Stepfather, and Secretariat, and guest starred the television series Brooklyn South, The Twilight Zone, and Everwood.