Just remember, this isn't goodbye. You're my destiny, Cohen.
Go save the world, Summer Roberts.
S4 E16The End's Not Near, It's Here
[The series' last words]
[on phone, leaving a construction site] Yeah, I'm just leaving the site now. Everything looks good. We're on schedule to meet our target date. Thank you. [As he reaches the truck, he hangs up and sees a young boy waiting by a pay phone. He may have been there for a pretty long time. Ryan thinks back to the beginning when he was in a similar situation.] Hey, kid. You need any help?
Main characters
Peter Gallagher - Sandy Cohen
Kelly Rowan - Kirsten Cohen
Benjamin McKenzie - Ryan Atwood
Mischa Barton - Marissa Cooper (2003-2006)
Adam Brody - Seth Cohen
Chris Carmack - Luke Ward (2003-2004)
Melinda Clarke - Julie Cooper
Rachel Bilson - Summer Roberts
Alan Dale - Caleb Nichol (2004-2005)
Tate Donovan - Jimmy Cooper (2003-2005)
Season 1 regulars
Benjamin McKenzie - Ryan Atwood
Adam Brody - Seth Cohen
Mischa Barton - Marissa Cooper
Peter Gallagher - Sandy Cohen
Kelly Roawn - Kirsten Cohen
Melinda Clarke - Julie Cooper
Tate Donovan - Jimmy Cooper
Rachel Bilson - Summer Roberts
Chris Carmack - Luke Ward
Season 2 regulars
Shannon Lucio - Lindsay Gardner
Olivia Wilde - Alex Kelly
Michael Cassidy - Zach Stephens
Logan Marshall-Green - Trey Atwood
Nicholas Gonzalez - DJ
Kim Delaney - Rebecca Bloom
Billy Campbell - Carter Buckley
Alan Dale - Caleb Nichol
These quotes come from Wikiquote's The O.C. pages and are available under the Creative Commons Attribution-ShareAlike License.