Robert Buckley is best-known for his roles on the television series Lipstick Jungle and One Tree Hill. Buckley made his acting debut as a series regular portraying the role of Michael Bauer on the television series Fashion House. 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 Nico Rielly”. In 2008, Buckley signed on to play Kyle in the Lifetime film, Flirting with Forty, alongside Heather Locklear. In June 2009 it was announced Buckley signed on as a series regular on One Tree Hill, as Clay Evans.