Robert Earl Buckley (born May 2, 1981) is an American actor, known for his roles on the television series Lipstick Jungle and One Tree Hill. In 2012, he joined the cast of the ABC supernatural drama series 666 Park Avenue as Brian Leonard.

Career
Television career
In 2006, Buckley made his acting debut as a series regular playing the role of Michael Bauer on the television series Fashion House, which premiered on September 5, 2006 to 1.3 million viewers. The series dipped in ratings dramatically and ended on December 5, 2006, as per the MyNetwork thirteen-week format.

In 2006, he signed a deal with MyNetworkTV to again appear in another television series. He portrayed the role of Matthew Wakefield in the series American Heiress. The series, which consisted of 65 episodes, premiered on March 13, 2007, in two-hour installments. It switched to one-hour slots in further broadcasting and was cancelled on July 18, 2007. 39 episodes remained unaired in America but were broadcast worldwide. 20th Century Fox Home Entertainment has no plans to release the series on DVD. In 2007, Buckley also appeared on an episode of Ghost Whisperer.

In 2008, he successfully auditioned for the recurring role of Kirby Atwood on the television series Lipstick Jungle as an "up and coming photographer who becomes infatuated with Kim Raver's character NicoRielly". The series premiered to a relatively low 7.5 million viewers on February 7, 2008 and received a mixed critical reception from critics. Although it slipped in ratings dramatically, the show was renewed for a second season in April 2008. The second season premiered on September 24, 2008. With ratings downsliding to the 3-4 million mark, the series was cancelled in March 2009.

In 2009, The CW announced that Buckley signed on to appear in a two-episode arc on the television series Privileged as David Besser. In June 2009, it was announced that Buckley signed on as a series regular on One Tree Hill as Clay Evans. The series' seventh season premiered on September 14, 2009, to 2.45 million viewers. He remained with One Tree Hill until the show's ninth and final season.
From 2012 to 2013, he starred in the television series 666 Park Avenue as struggling playwright Brian Leonard.

Film career
In late 2005, Buckley played Matt in his feature film debut, When a Killer Calls, released in February 2006.

In 2007, he played Nik in the film Killer Movie. The film which suffered distribution problems originally had various push-backs. A proposed theatrical release was cancelled and was released straight-to-DVD on February 3, 2009. The film starred Kaley Cuoco, Leighton Meester and Torrey DeVitto. In 2008, Buckley signed on to play Kyle in the Lifetime film, Flirting with Forty, alongside Heather Locklear, the film premiered on December 6, 2008 to mixed to negative reviews. The series was a ratings success with 3.6 million viewers in its premiere.

Buckley played Bacas Mitchell in the 2011 independent film The Legend of Hell's Gate: An American Conspiracy, starring alongside Jenna Dewan and One Tree Hill co-star James Lafferty.