Michael Weatherly (born July 8, 1968; Height: 6 feet 1 ½ inches (1.87 meters)) is an American actor, producer, director, and musician. He is best known for his roles as Anthony DiNozzo in the television series NCIS (2003–2016) and Logan Cale in Dark Angel (2000–2002). From 2016 to 2022, he starred as Dr. Jason Bull in Bull, a courtroom drama.

Weatherly was born in New York City and raised in Fairfield, Connecticut. He attended Fairfield Country Day School and graduated from Brooks School in North Andover, Massachusetts in 1986. He attended Boston University, Menlo College, American University, and The American University of Paris but left college to pursue acting.