The show, which opens officially on November 23 at Theatre Row, stars Matthew Broderick, Catalina Sandino Moreno, J Smith-Cameron, Stephanie Cannon, Kieran Culkin, Merwin Goldsmith, Grant Shaud, and Missy Yager.
The play concerns Mark (Broderick), a 40-something married man who works at the Hayden Planetarium and whose life turns upside-down when he meets a pretty young single mother (Moreno).
Among the celebrities who joined the cast for the party were Rosie O'Donnell, Natasha Lyonne, Sam Trammell, Tate Donovan, Josh Hamilton, and Katrhryn Erbe.
For more TM Photos from the event, click here.For more information, visit www.thenewgroup.org.
Don't show this again.