Nicholas Gonzalez (as D.J.), Michael Cassidy (as Zach Stevens), Shannon Lucio (as Lindsay Gardner) and Olivia Wilde (as Alex Kelly) all took up recurring roles in the show as love interests of existing characters,[REF] Marissa, Summer, Ryan and Seth, who are all single now [REF].
Actors returning as guest stars included Amanda Righetti (as Hailey Nichol), Michael Nouri (as Dr. Neil Roberts), Navi Rawat (as Theresa Diaz), Brian McNamara (as Carson Ward), Kim Oja (as Taryn Baker) and Linda Lavin (as The Nana) [REF].