Penelope Cruz, Emma Stone, Bradley Cooper, Chris Rock, Ben Stiller, Kermit the Frog, Miss Piggy, Tina Fey and Michael Douglas will join previously reported presenters Angelina Jolie, Cameron Diaz, Halle Berry, Tom Cruise, Tom Hanks and Jennifer Lopez.
Telecast producers are Brian Grazer and Don Mischer.
Academy Awards for outstanding film achievements of 2011 will be presented Feb. 26 at the Kodak Theatre at Hollywood & Highland Center, and televised live by the ABC Television Network. The Oscar presentation also will be televised live in more than 225 countries worldwide.
For a list of this year's Oscar nominations, click here.