UPDATE: Show has sold out.
Broadway World reports:
A limited number of $40 tickets to the World Premiere all-star staged reading of Dustin Lance Black's new play "8" will be released for public sale at 10:00AM Monday morning, September 19, 2011. Tickets will be sold at the Eugene O'Neill Theatre (230 West 49th Street) until 6:00PM, and must be paid for by cash only. Tickets will be sold on a first-come first-served basis and are limited to two tickets per person.
Read all about the final casting here.