Two cast members reunited on Fox’s The Orville during its second season, and Blake Lively shared her thoughts a few years ago on if she would return for a reunion, but that would be different from signing on for another series.
Speaking of Gossip Girl originals, when you say “reboot” that is different than “revival.”
The latter indicates at least some of the initial cast will be back, but there is currently no word on whether any of Gossip Girl’s original stars will return.