This year's participants also include actors Elizabeth Berkley, David Cross, Rachel Dratch, Michael Ealy, Mamie Gummer, Peter Hermann, Matthew Lillard, Anthony Mackie, Janel Moloney, Rosie Perez, Fisher Stevens, Lili Taylor, and Kerry Washington; playwrights David Lindsay-Abaire, Julia Jordan, Warren Leight, and Theresa Rebeck; directors Christian Parker and Ari Edelson; and singer Nellie McKay, who will be this year's musical guest.

Six new 10-minute plays will be written beginning in the late evening of October 21, with rehearsals to begin at 8:30am on October 22. McKay will perform musical numbers in between each play.

For tickets and information, visit www.24hourplays.com.