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 Josh Schwartz Executive Producer, Writer Stephanie Savage Executive Producer, Writer Mark Piznarski Director Joe Lazarov Producer Jessica Queller Producer Bob Levy Executive Producer Leslie Morgenstein Executive Producer