Best Actress winners announced to take the stage include Halle Berry, Sandra Bullock, Nicole Kidman and Reese Witherspoon.
Meanwhile, Renée Zellweger, Catherine Zeta-Jones, Richard Gere and Queen Latifah will reunite on the 10th anniversary of Chicago's win for Best Picture. Zeta-Jones won a Best Supporting Actress award for her Chicago role as Velma Kelly.
Members of The Avengers cast are also set to reunite as presenters. They include Robert Downey Jr., Samuel L. Jackson, Chris Evans, Jeremy Renner and Mark Ruffalo.
Other special guests for the telecast include Channing Tatum, Daniel Radcliffe, Joseph Gordon-Levitt and Charlize Theron and previously announced presenters Mark Wahlberg, and 2011 Oscar winners Jean Dujardin, Christopher Plummer, Octavia Spencer and Meryl Streep.
Set to perform on this year's show are Adele, Dame Shirley Bassey, Norah Jones and Barbra Streisand. Family Guy creator Seth MacFarlane will host.
The 85th annual Academy Awards will air live on Sunday, Feb. 24, on ABC from the Dolby Theatre in Hollywood.