"We are honored to have Meryl, Octavia, Christopher and Jean, last year's Oscar winners in each of the acting categories, return to the Oscar stage," producers Craig Zadan and Neil Meron said in a joint statement Tuesday.
Oscars for excellence in film for 2012 will be handed out at a ceremony Feb. 24 at the Dolby Theatre at Hollywood & Highland Center in Los Angeles.
Seth MacFarlane is to serve as host of the event.
Susan Sarandon 'very excited' about daughter's pregnancy
Dennis Rodman pledges to end trips to North Korea