Reunions from the casts of Taxi and Who's The Boss? took place as Danza welcomed friends including Judith Light, Danny DeVito, Christopher Lloyd, and Marilu Henner.
Frank Loesser's holiday classic comes to life at Carnegie Hall.
Morrison and his frequent scene partner Kelli O'Hara will perform a Christmas concert with the New York Pops at Carnegie Hall.
The concert kicked off Brown's tenure as an artist-in-residence at the swanky venue.
Kelli O'Hara and Ken Watanabe will star in the Rodgers and Hammerstein classic.
You might want to reserve judgments before shooing Ariana Grande and Vanessa Hudgens back to Hollywood with Birdman.
Check out our portraits of the musical's principal cast members.