John Joseph Corbett (born May 9, 1961) is an American actor and country music singer. He is known for his roles as Chris Stevens on CBS' Northern Exposure and as Aidan Shaw on HBO's Sex and the City. He reprised the latter role for the film sequel Sex and the City 2 (2010). Corbett also portrayed the male lead, Ian Miller, in the romantic comedy film My Big Fat Greek Wedding (2002) and its 2016 sequel.
Corbett starred as Max Gregson on Showtime's United States of Tara, recurred as Seth Holt on NBC's Parenthood, and starred as Josiah "Flash" Bacon on FX's Sex & Drugs & Rock & Roll. Aside from acting, Corbett has released two country albums, including his Billboard-charting self-titled debut.
Corbett was born in Wheeling, West Virginia, the only child of Sandra "Sandy" (née Pavilack) and John Marshall Corbett. His parents were married in 1963 when Corbett was two. He grew up in an apartment block near the Ohio River with his mother and stepfather, both of whom worked at his uncle Phillip's music club. Corbett was raised Catholic, and was an altar boy for seven years at St. Joseph's Cathedral. His father, who is of part Irish descent, was born and raised in Bellaire, Ohio, and was a member of the Jehovah's Witnesses. Corbett's mother was Jewish (of part Russian Jewish descent).