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 Gary Grubbs Guest Star Alison La Placa Guest Star Sandra McCoy Guest Star Kevin Sorbo Guest Star Wayne Dalglish Guest Star Corey Price Guest Star Elayn Taylor Guest Star Scott Krinsky Guest Star Amy Shelton-White Guest Star Chris Damiano Guest Star Price Carson Guest Star Scott Stenholm Guest Star Mel Fair Guest Star Tom Billett Guest Star Phil Kaufmann Guest Star David Black Guest Star Josh Schwartz Executive Producer Doug Liman Executive Producer McG Executive Producer David Bartis Executive Producer Robert DeLaurentiis Executive Producer