Frog and Peach artistic director Lynnea Benson will direct the 7:30 PM reading at the Player's Club. Hamlet will have live music by Ian McDonald.

The cast features Chlumsky (So Help Me God, "In the Loop") as Ophelia, Hammond ("Saturday Night Live") as Guildenstern, Tony nominee Austin Pendleton (Three Sisters, The Little Foxes, Fiddler on the Roof) as Claudius and the Ghost, Tony and Academy Award nominee Knight (The Young Man from Atlanta, "Sweet Bird of Youth") as Gertrude, Willard ("Anchorman," "Waiting for Guffman") as Horatio, David Margulies (Brighton Beach Memoirs, A Thousand Clowns, "Sopranos") as Polonius and Gravedigger, Ted Zurkowski ("Boys on the Side") as Hamlet and Ryan Tramont ("The Hurt Locker") as Laertes.

Completing the company are Lenny Ciotti (Osric), Erick Gonzalez (Fortinbras), Ross Beshear (Rosencrantz), and Alan Altschuler (The Player).

Proceeds from the gala benefit the upcoming Frog and Peach production of A Midsummer Night's Dream, which will run April 26-May 20.

For advanced tickets, priced $99, phone (212) 868-4444 or visit Smarttix.com. The Players Club is located at 16 Gramercy Park South.