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 Mouth McFadden Actor Lisa Goldstein Millicent 'Millie' Huxtable Actor Stephen Colletti Chase Adams Actor Tyler Hilton Chris Keller Actor Paul Johansson Dan Scott Actor, Director Allison Munn Guest Star Richard Burgi Guest Star Daphne Zuniga Guest Star Michael May Guest Star Mark Schwahn Executive Producer Joe Davola Executive Producer Gregory Prange Executive Producer Michael Tollin Executive Producer Brian Robbins Executive Producer Lenn K. Rosenfeld Writer