"We are quite excited to have Charlize, Chan, Joe and Dan join us on the show," telecast producers Craig Zadan and Neil Meron said in a statement. "We are happy to feature them as special guests in our production."
This will be Gordon-Levitt, Radcliffe and Tatum's first time appearing on the Oscar show.
Theron won an Oscar for her performance in "Monster" and earned a nomination for her work in "North Country."
Oscars for outstanding film achievements of 2012 will be presented Feb. 24 at the Dolby Theatre at Hollywood & Highland Center.
Seth MacFarlane is to serve as host of the event.