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 Michael Nouri Guest Star Paula Trickey Guest Star Kim Oja Guest Star Channon Roe Guest Star Wayne Dalglish Guest Star Corey Price Guest Star Ben Diskin Guest Star Todd Bosley Guest Star Tom Biagini Guest Star Parvesh Cheena Guest Star DJ Rabiola Guest Star Fivel Stewart Guest Star Mischa Barton Guest Star Eric Shackelford Guest Star Josh Schwartz Executive Producer Doug Liman Executive Producer McG Executive Producer David Bartis Executive Producer Robert DeLaurentiis Executive Producer