Blake Lively Serena van der Woodsen Actor Leighton Meester Blair Waldorf Actor Chace Crawford Nate Archibald Actor Penn Badgley Dan Humphrey Actor Taylor Momsen Jenny Humphrey Actor Ed Westwick Chuck Bass Actor Kelly Rutherford Lily van der Woodsen Actor Matthew Settle Rufus Humphrey Actor Brittany Snow Lily Rhodes Guest Star Krysten Ritter Carol Rhodes Guest Star Andrew McCarthy Rick Rhodes Guest Star Michelle Trachtenberg Georgina Sparks Guest Star No Doubt Snowed Out Guest Star Cynthia Watros Young Celia 'CeCe' Rhodes Guest Star Josh Schwartz Executive Producer Stephanie Savage Executive Producer Mark Piznarski Director