Jason lives in a ranch in Malibu with wife Angie and two sons, Bix and Bear.
Attended the prestigious Collegiate School in Manhattan with best friend David Duchovny, actor Zach Galligan and the late John Kennedy Jr..
He is a friend from childhood of David Duchovny and worked with him for a time as a bartender. He originally prodded David into an acting career.
Brother of Eliza Ashley Beghe (lives in Maine with husband Jason Trask), Adam Beghe (lives in Chicago) and Francesca Beghe-Green (lives in New York with husband Benjamin Green and son James Green).
Son of Bina House (died on March 2012) and Renato William Beghe, a U.S. Tax Court Judge. His father died on July 7 2012 at the age of 79 in Washington. Bina and Renato were married for 57 years.