Blake Lively Serena van der Woodsen Actor Leighton Meester Blair Waldorf Actor Penn Badgley Dan Humphrey Actor Chace Crawford Nate Archibald Actor Ed Westwick Chuck Bass Actor Kaylee Defer Charlie Rhodes Actor Kelly Rutherford Lily van der Woodsen Actor Matthew Settle Rufus Humphrey Actor Jessica Szohr Vanessa Abrams Actor Taylor Momsen Jenny Humphrey Actor Josh Schwartz Executive Producer, Writer Stephanie Savage Executive Producer, Writer Leslie Morgenstein Executive Producer Bob Levy Executive Producer Joshua Safran Executive Producer Mark Piznarski Director Norman Buckley Director Cecily Von Ziegesar Writer