THERE'S ALWAYS ROOM FOR ONE MORE AT CASA DE COHEN ON "THE O.C." THURSDAY, APRIL 7, ON FOX

When Sandy becomes the honorary chair of the Newport Beach charity yard sale, he solicits help from Trey, who has his first run-in with the Newpsies. While Sandy auctions off Newport's finest, Kirsten and Carter share a table. When one of the auction's most expensive pieces goes missing, it's Ryan and Seth who also could use some help. Meanwhile, Trey looks for a more permanent place to live as the Cohens welcome yet another houseguest on "The Risky Business" episode of THE O.C Thursday, April 7 (8:00-9:00 PM ET/PT) on FOX. (OC-218) (TV-TBA)

Cast: Peter Gallagher as Sandy Cohen, Benjamin McKenzie as Ryan Atwood, Mischa Barton as Marissa Cooper, Rachel Bilson as Summer, Adam Brody as Seth Cohen, Kelly Rowan as Kirsten Cohen, Melinda Clarke as Julie Cooper, and Alan Dale as Caleb Nichol.

Guest Cast: Billy Campbell as Carter, Michael Cassidy as Zach, Kim Oja as Taryn, and Logan Marshall-Green as Trey Atwood.