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 Laura Breckenridge Rachel Carr Guest Star Jessica Szohr Actor Josh Schwartz Executive Producer Stephanie Savage Executive Producer Alex McNally Writer Lenn K. Rosenfeld Writer Liz Allen Director Elizabeth Allen Rosenbaum Director