Trivia

Was roommates with Jonah Hill after they met on the set of Campus Ladies (2006).

His senior year at Fairfield Prep, Justin received the "Most likely not to be seen in class" superlative.

Received a 15% discount when he was a spokesperson for Apple Inc(from 2006-2009).

Has stated that he has never seen his film, Accepted (2006).

Previously in a relationship with actress Amanda Seyfried from October 2013 to September 2015.

His favorite films are Back to the Future (1985), Way Out West (1937), Drugstore Cowboy (1989), Boogie Nights (1997), and Annie Hall (1977).

His father, R. James Long, teaches philosophy at Fairfield University.

Attended Vassar College in Poughkeepsie, New York.

Lives in New York City. (2004)

As of March 2023, Long announced his engagement to actress Kate Bosworth after dating.

Has an older brother, Damien Long, and a younger brother, Christian Long, both of whom are actors.

His mother Wendy - a stage actress - teaches at Roger Ludlowe Middle School, in Fairfield, Connecticut.

His father is of three quarters German and one quarter Italian/Sicilian descent. His mother is of half Polish and half Italian/Sicilian ancestry.

Portrays the "Mac" versus John Hodgman's "PC" in Apple's "Get a Mac" television ads, which ran from 2006-2009. (May 2006)

Endorsed Bernie Sanders in the 2016 presidential election of the United States.

Appeared in commercials for the Macintosh computer, which are an attempt to show the Mac's superiority to Windows. This ad campaign ran from 2006-2009,. (June 2008)

After graduating from Fairfield Prep (Fairfield College Preparatory School), he attended Vassar College, where he was in the graduating class of 2000. He was a member of "LaughingStock," a sketch comedy group at Vassar. He appeared in two independent films, "Boygazm!" and "Time Writer," before appearing in his first commercial film, Galaxy Quest (1999).

Put on a one-man show, entitled, "Justin Long: Dreams of a Douchebag." In 2008. (March 2008)

His brother, Damian, is an English teacher at Weston High School in Weston, Connecticut.

Was ranked #25 on Entertainment Weekly's '30 Under 30' the actors list. (2008).

Justin is in a production of Samuel J. and K. at the Williamstown Theatre Festival. (July 2010)

He was in the movie The Break-Up (2006), which premiered on his birthday.

Has been noted for his resemblance to Tim Allen, who was his co-star in Galaxy Quest (1999).

Grandson of Jody Lesniak.

Has a dog named Moose.