20 Behind-the-Scenes Secrets from Gossip Girl
Penn Badgley Didn’t Know He Was Gossip Girl
It seems clear that the decision to make Dan Gossip Girl was made fairly late in the show’s run. There are plenty of times when it seems like, if they had known he was Gossip Girl the whole time, he would have behaved differently. As it turns out, Penn Badgley didn’t even know his character was Gossip Girl until the very last moment, in order to preserve the surprise.
This goes at least part of the way toward explaining why Dan would be shocked by Gossip Girl blasts when he was alone. If Penn didn’t know Dan was Gossip Girl, he wouldn’t be able to play those scenes like he knew.