The NBC sketch show will celebrate its big birthday with a three-and-a-half-hour special featuring returning cast members, celebrity cameos, reported E! online.
Among the other names confirmed to appear are Larry David, Michael Douglas, Sarah Silverman, Sigourney Weaver and Steven Spielberg.
NBC revealed the first wave of returning cast members - including Eddie Murphy, Dana Carvey, Will Ferrel, Mike Myers, Chris Rock and Adam Sandler - during the Super Bowl.