James Lafferty Nathan Scott Actor Bethany Joy Lenz Haley James-Scott Actor Sophia Bush Brooke Davis Actor Austin Nichols Julian Baker Actor Robert Buckley Clay Evans Actor Shantel VanSanten Quinn James Actor Jackson Brundage Jamie Scott Actor Lee Norris Marvin 'Mouth' McFadden Actor Jana Kramer Alex Dupré Actor Lisa Goldstein Millicent 'Millie' Huxtable Actor Stephen Colletti Chase Adams Actor Peter Riegert Guest Star Eric McIntire Guest Star Michael May Guest Star Katherine Landry Guest Star Mark Schwahn Executive Producer, Writer Joe Davola Executive Producer Gregory Prange Executive Producer, Director Michael Tollin Executive Producer Brian Robbins Executive Producer