How many original characters were in the ensemble cast of the TV series Gossip Girl?

The original ensemble cast of the TV series Gossip Girl featured a total of six main characters. These characters included Serena van der Woodsen, Blair Waldorf, Nate Archibald, Chuck Bass, Dan Humphrey, and Jenny Humphrey. The series, which aired from 2007 to 2012, revolved around the lives and relationships of these characters in Manhattan's upper crust.