Matthew Broderick and Michael Urie have also signed on for this month's show.
Opened Oct 3, 2011
Celebrity Autobiography: The Next Chapter news on TheaterMania.com
They join the previously announced Mario Cantone and Scott Adsit.
Stage and screen stars will join the August edition of the comedy show.
The New York City performance will take place at Stage 72.
Your only chance to watch Tony Award winners recite the prose of Justin Bieber.