ग्ली Adds Broadway तारा, स्टार Andrew Rannells for Series Finale 

Adds Broadway Star Andrew Rannells for Series Finale

Andrew Rannells is set to guest-star on the series finale of Fox musical comedy.

: Even more familiar faces are returning for the finale

, but refused to divulge any details about his character or whether he\'ll sing. However, he and Jimmy Fallon performed an amazing duet to serve as Rannells\' audition tape:

), Rannells also has plenty of experience working with

co-creator Ryan Murphy. He starred on Murphy\'s short-lived NBC comedy

in which he played the showrunner of a successful TV musical series called

In addition to Rannells, Fox revealed Thursday that Geraldo Rivera will be appearing on the finale. You can read a full list of familiar faces returning for the finale here.

s finale airs March 20 on Fox. Who do you think Rannells is playing?

Please enable Javascript to watch this video

What\'s Coming to Netflix in March? (And What\'s Leaving?)Need to catch up on Mad Men? Here\'s your chance!

Even More Former Glee Stars Are Returning for the Show\'s Farewell!Is that Will\'s ex-wife Terri?!

Exclusive Glee Sneak Peek: Brittany and Santana Fight Over Whether to Invite Sue to Their WeddingDon\'t mess with Lima Heights Adjacent

Glee: Find Out Which Familiar Face Is Returning for the Series FinaleUgh, is he going to try to sabotage New Directions again?

Naya Rivera Joins Devious MaidsFind out who she\'ll play

Mega Buzz: Who\'s Making a Big Comeback on Glee?Sue is not going to be happy about this!

1. Grey's Anatomy: Arizona & Alex: The First Flight

3. Mistresses: Toni Seduces Dom While Savi's Away

4. Desperate Housewives: Actors Picking up Character Traits

© 2015 CBS Interactive Inc. All rights reserved.

Photo Credits: Corbis; Frank Ockenfels / AMC; Adam Rose/FOX; Fox; Splash; Eddy Chen/FOX