Jim Caruso's Cast Party

From the Cast Party website:

Jim Caruso’s Cast Party is a wildly popular weekly soiree that brings a sprinkling of Broadway glitz and urbane wit to the legendary Birdland in New York City every Monday night. It’s a cool cabaret night-out enlivened by a hilariously impromptu variety show. Showbiz superstars hit the stage alongside up-and-comers, serving up jaw-dropping music and general razzle-dazzle.
For the past eight years, it’s been the ultimate spot to mix and mingle with Manhattan show folk and their fans. Caruso guides the entire affair like a bubbly cruise director!

http://castpartynyc.com/