Blake Lively Serena van der Woodsen Actor Leighton Meester Blair Waldorf Actor Penn Badgley Dan Humphrey Actor Chace Crawford Nate Archibald Actor Taylor Momsen Jenny Humphrey Actor Ed Westwick Chuck Bass Actor Jessica Szohr Vanessa Abrams Actor Kelly Rutherford Lily van der Woodsen Actor Matthew Settle Rufus Humphrey Actor Katie Cassidy Juliet Sharp Guest Star Hamish Bowles Self Charlotte Ronson Self Diane von Fürstenberg Self Alessandra Ambrosio Top Model Guest Star Josh Schwartz Executive Producer Stephanie Savage Executive Producer Leslie Morgenstein Executive Producer Bob Levy Executive Producer Joshua Safran Executive Producer Norman Buckley Director Amanda Lasher Writer Mark Piznarski Director Patrick R. Norris Director J. Miller Tobin Director Joe Lazarov Director Tony Wharmby Director Janice Cooke Director Jeremiah S. Chechik Director Lee Shallat Chemel Director Ron Fortunato Director Tate Donovan Director