The Hollywood Reporter said cast members
Bryan Cranston, Aaron Paul, Jonathan Banks and R.J. Mite attended the charity event for the non-profit organization, alongside show creator Vince Gilligan.
"People ask, how do you feel? Now that it's over we can start to feel. ... Do you know what I mean?"
Cranston told the crowd.
Paul thanked Gilligan "for giving me a career."
"We are so thankful you exist," he added.
Among the celebrity guests at Sunday's screening were Ewan McGregor, "Weird Al" Yankovic, Questlove, Bill Hader, Rick Harrison, Marilyn Manson and "It's Always Sunny in Philadelphia" co-stars Glen Howerton, Kaitlin Olsen and Rob McElhenney, the entertainment industry trade newspaper said.
"Breaking Bad" won the Emmy Award for Outstanding Drama Series this month.
The New Mexico-set show about a chemistry teacher who turns to drug dealing to support his family when he learns he is terminally ill wrapped up its fifth and final season Sunday.