James Lafferty as Nathan Scott
Since the OTH finale in 2012, Lafferty has continued to work in both TV and film, appearing in shows like Crisis and Underground, and even directing episodes of E!'s The Royals. He's currently in post-production on a crowd-funded series he made with fellow One Tree Hill costar Stephen Colletti called Everyone Is Doing Great, and also appears in a few episodes of Netflix's upcoming The Haunting of Hill House.
Hilarie Burton as Peyton Sawyer
Burton left One Tree Hill after the sixth season and went on to star in several TV movies and guest star in episodes of Castle, Grey's Anatomy, Hostages, Forever, and Lethal Weapon. She also had a recurring role on USA's White Collar. In 2009, Burton started dating Jeffrey Dean Morgan (who also guest starred on Grey's Anatomy). They were marred in 2014 and have a son and a daughter.
Burton will appear in the quasi-One Tree Hill reunion TV movie The Christmas Contract, scheduled to air December 2018. She and other OTH costars recently launched the Cape Fearless Challenge to support Wilmington, North Carolina, which was where the show was filmed and which was recently affected by Hurricane Florence.
Sophia Bush as Brooke Davis
After a turn on the short-lived comedy Partners, Bush joined NBC's One Chicago world as Erin Lindsay. She starred on Chicago P.D., but also made appearances on Chicago Fire, Chicago Med, Chicago Justice, and Law & Order: SVU. She left Chicago P.D. in 2017, and is working on an upcoming CBS show called Surveillance. Bush recently lent her voice to Incredibles 2, and has been extremely outspoken and active when it comes to politics and issues she cares about, including supporting the Cape Fearless Challenge.
Chad Michael Murray as Lucas Scott
Murray has had a varied career since he left One Tree Hill after season six. He appeared in both A Madea Christmas and the acclaimed Fruitvale Station, and had roles in TV shows like Chosen, Texas Rising, and Sun Records. He played Chad Radwell's brother on Scream Queens, and starred in the beloved but short-lived Agent Carter on ABC. He has a Hallmark Christmas movie coming out in November called Road to Christmas.
After a short marriage and divorce from costar Sophia Bush and a seven year engagement to Kenzie Dalton, Murray married his Chosen costar Sarah Roemer in 2015, and they have a son, born 2015, and a daughter, born 2016.
Bethany Joy Lenz as Haley James Scott
Currently, the actress and musician is set to star in the Suits spinoff, Second City. But since One Tree Hill ended in 2012, she has also appeared in several TV movies, a few episodes of Grey's Anatomy, Colony, American Gothic, CSI, and Dexter.
Lenz got a divorce from husband Michael Galeoti in 2012 and now lives in LA with her daughter, who was born in 2011. She has also signed on to the Cape Fearless Challenge in support of Wilmington, North Carolina.
Paul Johansson as Dan Scott
RIP-ish Dan Scott. Johanssson has continued working in the years since the show ended, appearing on Bones, Mad Men, Once Upon a Time, CSI, and Beauty and the Beast as well as several movies and TV movies. He currently can be seen on Syfy's Van Helsing, which returns for season three in October.
Lee Norris as Marvin "Mouth" McFadden
After leaving the role of Mouth behind in 2012, Norris went on to reprise his other iconic role: Minkus from Boy Meets World. He appeared several times in Girl Meets World with his own rather similar teenage son. Norris also made an appearance in Gone Girl and was in two episodes of The Walking Dead in 2017.
Antwon Tanner as Antwon "Skills" Taylor
Tanner will also be appearing in The Christmas Contract! His post-OTH roles include Get Shorty, Black Jesus, Rizzoli & Isles, The Carmichael Show, and Rosewood. He can also regularly be seen supporting and interacting with his former costars on Twitter.
Craig Sheffer as Keith Scott
After his character was unceremoniously murdered by Dan in season three, Sheffer did appear in a few more episodes, but also went on to appear on Psych, Criminal Minds, CSI and Major Crimes. Just recently it was announced that Sheffer, who was already known as a soap opera star and movie star before he ever played Keith, will be starring in a horror movie called Widow's Point.
Austin Nichols as Julian Baker
Austin Nichols has done pretty well for himself since his last appearance on One Tree Hill in the finale. He played Spencer on The Walking Dead, and then played Sam on Bates Motel. He also had roles on Ray Donovan and The Mob Doctor, but we'll never forget his 2001 turn in the Olsen Twin classic, Holiday in the Sun. He's currently dedicating himself to saving ocean life.
Danneel Ackles as Rachel Gatina
Formerly Danneel Harris before marrying Supernatural star Jensen Ackles, Ackles has appeared in a couple episodes of Supernatural, including the upcoming season 14 premiere. She's also due to appear in the OTH reunion movie, The Christmas Contract.
Danneel left One Tree Hill in 2009 and was engaged to Jensen that same year. They were married in 2010, and now have three children, including twins who were born in 2016.
Barbara Alyn Woods as Deb Scott
Woods hasn't acted a ton since the end of One Tree Hill, though she did appear in two episodes of The Goldbergs, playing the mother of her real-life daughter, Natalie Alyn Lind. In fact, all three of Woods' daughters are actresses. Emily Alyn Lind played young Emily on Revenge, and Alyvia Alyn Lind has been on The Young and the Restless since 2011, and played a young Dolly Parton in two TV movies.
Moira Kelly as Karen Roe
Since One Tree Hill, Lucas' mom hasn't done a ton of work. She appeared in several TV movies and in episodes of shows like Numb3rs and Drop Dead Diva. She could also be seen in Twin Peaks: The Missing Pieces as Donna Hayward, since she replaced Lara Flynn Boyle for the prequel, Fire Walk With Me. She currently lives with her husband and two kids in Texas.
Barry Corbin as Brian "Whitey" Durham
Coach Whitey basically never stops working. Corbin was most recently on Netflix's The Ranch, with several movies in post production. He also appeared on Modern Family as a relative of Cam's, and he's in the Texas Cowboy Hall of Fame. He's now a great grandfather!
Stephen Colletti as Chase Adams
Colletti joined the show in season four, a couple years after his last appearance on Laguna Beach. He appeared in a few episodes of Hit the Floor, and is currently working on his crowd-funded series with James Lafferty about two former teen drama stars trying to regain their fame and success.
Jackson Brundage as Jamie Scott
Lil Jamie is now 17, and hasn't acted much since the end of One Tree Hill. He appears to have a girlfriend and still does fan conventions with the rest of the One Tree Hill cast.
Shantel VanSanten as Quinn James
VanSanten joined the show in season seven and ended the show with her character happily married. In the years since, she starred in the short-lived The Messengers and had a memorable stint on The Flash as Barry Allen's love interest. Most recently, she starred in USA's Shooter. Shantel has also joined her former costars in the Cape Fearless Challenge.
Torrey DeVitto as Carrie
After appearing in the fifth and sixth seasons of One Tree Hill, DeVitto has been everywhere. She had significant roles on The Vampire Diaries, Army Wives, Pretty Little Liars, Chicago PD, and currently stars on Chicago Med. Recently we learned that she's dating Chicago PD star Jesse Lee Soffer.
Robert Buckley as Clay Evans
Buckley, who plays a major role in The Christmas Contract, joined the show in season seven and stayed until the end. He then starred in the short-lived 666 Park Avenue before moving on to star in The CW's iZombie as Major Lilywhite. iZombie is about to head into its fifth and final season. Buckley married actress Jenny Wade in May 2018.
Tyler Hilton as Chris Keller
The singer had a recurring role on the show from seasons two through four, then returned as a regular in season nine. He want on to star in CBS' Extant, and played Elvis Presley in the movie Walk the Line. Hilton is still touring and will appear for a musical performance in The Christmas Contract.
Jana Kramer as Alex Dupre
Kramer joined the show in 2009, but by the end, she cut back on her acting to focus on her country music career. She placed fourth on Dancing with the Stars in 2016, and she is married to Washington Red Skins player Mike Caussin. In July 2018, she announced that she's pregnant with their second child.