Presenters will include Halle Berry, Tom Cruise, Penelope Cruz, Cameron Diaz, Tom Hanks, Angelina Jolie, Jennifer Lopez, Emma Stone, and cast members from the movie Bridesmaids, including Kristen Wiig, Maya Rudolph, and Oscar nominee Melissa McCarthy.
Martin Scorsese's Hugo leads the field with 11 nominations, followed by Michael Hazanivicius' The Artist, which has 10 nominations.
Stage veterans who are nominated for their acting work this year include Jessica Chastain, Glenn Close, Viola Davis, Christopher Plummer, Octavia Spencer, Meryl Streep, and Michelle Williams.
Crystal won a Tony Award for his solo show 700 Sundays. He has appeared in such films as Throw Momma from the Train, Analyze This, City Slickers, and When Harry Met Sally. In addition, he has previously hosted the Oscars on three occasons, and has hosted the Grammy Awards.
For more information, visit www.oscars.org.