John Joseph Corbett Jr. (born May 9, 1961) is an American actor and country music singer. On television, he is best known for his roles as Chris Stevens on Northern Exposure (1990–1995), Aidan Shaw on Sex and the City (2000–2003), Max Gregson on United States of Tara (2009–2011), and Seth Holt on Parenthood (2011–2015). In film, he is known for roles in My Big Fat Greek Wedding (2002), Raising Helen (2004), The Messengers (2007), Sex and the City 2 (2010), Ramona & Beezus (2010), My Big Fat Greek Wedding 2 (2016), the To All the Boys film trilogy (2018–2021), and others.