SNL Cast to appear at Prop 8 Benefit.

From Playbill.com

A host of actors from stage and screen will take part in Defying Inequality: The Broadway Concert — A Celebrity Benefit for Equal Rights, which will be held Feb. 23 at the Gershwin Theatre, the current home of Wicked.
The 8 PM performance will benefit Family Equality Council, Empire State Pride Agenda, Equality California, Garden State Equality and The Vermont Freedom to Marry Task Force, five charitable organizations working to "promote equality and protect civil rights for the gay and lesbian community."
Hosted by the cast of Wicked, the evening will boast the Broadway debut of Marc Shaiman's Prop 8 - The Musical (Shaiman will also perform) as well as a special performance by Wicked composer-lyricist Stephen Schwartz. Also scheduled to be part of the one-night-only event are Douglas Carter Beane, PJ Benjamin, Stephanie J. Block, Tamara Braun, Kerry Butler, Lynda Carter, Gavin Creel , Harvey Fierstein, John Gallagher, Jr., Jonathan Groff, Mark Indelicato, Cheyenne Jackson, Capathia Jenkins, Carson Kressley, Laughing Pizza, Adriane Lenox, Cameron Mathison, Rue McClanahan, Nicole Parker, Billy Porter, Rosie's Broadway Kids, Seth Rudesky, Michael Urie, The Broadway Boys, Don't Quit Your Night Job, the closing cast of Gypsy, the cast of Jersey Boys, the cast of The Lion King, the cast of The Little Mermaid, the cast of Mary Poppins, cast members from "Saturday Night Live," the cast of "Sesame Street," original cast members from Spring Awakening and the cast of Wicked.