Peter Gallagher Sandy Cohen Actor Ben McKenzie Ryan Atwood Actor Rachel Bilson Summer Roberts Actor Adam Brody Seth Cohen Actor Kelly Rowan Kirsten Cohen Actor Melinda Clarke Julie Cooper Actor Autumn Reeser Taylor Townsend Actor Willa Holland Kaitlin Cooper Actor Chris Pratt Guest Star Tate Donovan Guest Star Paula Trickey Guest Star Wayne Dalglish Guest Star Corey Price Guest Star Craig Susser Guest Star Mark Daniel Cade Guest Star Scott Krinsky Guest Star Jeff Witzke Guest Star Ashley Hartman Guest Star Evey Kim Guest Star Patty Onagan Guest Star Lily Rains Guest Star Dan Jongebloed Guest Star Stephen O'Mahoney Guest Star Josh Schwartz Executive Producer Doug Liman Executive Producer McG Executive Producer David Bartis Executive Producer Robert DeLaurentiis Executive Producer