40

Chad Michael Murray

as Lucas Scott

39

Sophia Bush

as Brooke Davis

36

James Lafferty

as Nathan Scott

41

Bethany Joy Lenz

as Haley James Scott

39

Hilarie Burton

as Peyton Sawyer

21

Jackson Brundage

as Jamie Scott

40

Lee Norris

as Marvin 'Mouth' McFadden

42

Austin Nichols

as Julian Baker

41

Robert Buckley

as Clay Evans

54

Moira Kelly

as Karen Roe

58

Paul Johansson

as Dan Scott

47

Antwon Tanner

as Antwon 'Skills' Taylor

60

Barbara Alyn Woods

as Deb Scott

81

Barry Corbin

as Whitey

62

Craig Sheffer

as Keith Scott

40

Lisa Goldstein Kirsch

as Millicent 'Millie' Huxtable

About One Tree Hill

About

Two half-brothers develop a rivalry on and off the basketball court in a small North Carolina town. The show ran for nine seasons and aired 187 episodes in total. 

Trivia

The show originally aired on the WB but switched to the CW after its third season.