Jonathan Groff was in NYC but didn't do Broadway Bares...because he had a two-set solo concert at Joe's Pub that seems to have gone well. 

And I'm just asking without attacking because who knows the reasons why, but...why was Sean Hayes not at Broadway Bares? Just seems like he'd be a great fit as at least a special guest. His co-star, Kristin Chenoweth, even bothered to perform (despite being playfully teased for being too thin by Jackie Hoffman).

And what about the leads from the gayest show on Broadway at the moment, La Cage aux Folles—Douglas Hodge and Kelsey Grammer? Nick Adams showed up. Nudity isn't required, just a desire to fight AIDS.

UPDATE: Looks like Sean Hayes was there. Aw, Sean, you shoulda gotten up onstage! Same goes for Zachary Quinto...in a jockstrap: