The 85th Annual Academy Awards will feature special appearances by Academy Award winner Charlize Theron, Channing Tatum, Joseph Gordon-Levitt and Daniel Radcliffe at the upcoming Awards ceremony. Here's what producers Craig Zadan and Neil Meron had to say about the additions to their Oscar lineup.

"We are quite excited to have Charlize, Chan, Joe and Dan join us on the show. 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 leading role in Monster and received her second nomination for her leading role in North Country (2005). Theron starred in 2012's Prometheus and Snow White and the Huntsman.

Tatum, who starred in five films of 2012, including Magic Mike, 21 Jump Street and The Vow, will next be seen in Side Effects, due out this week, and White House Down, due out this Summer.

Gordon-Levitt had a very busy year, with roles in The Dark Knight Rises, Looper, and the Best Picture nominee Lincoln. He most recently starred in Don Jon's Addiction, which he also wrote and directed, and which premiered at Sundance last month.

Radcliffe starred as the title character in the Harry Potter series, which is the highest grossing film series of all time. In 2012 he starred in The Woman in Black, and this year will be seen in Kill Your Darlings, Horns.

Theron, Tatum, Gordon-Levitt and Radcliffe join a stellar list of previously announced Oscar presenters including Marvel's The Avengers cast members Robert Downey Jr., Samuel L. Jackson, Chris Evans, Jeremy Renner and Mark Ruffalo; returning 2011 Oscar winners Jean Dujardin, Christopher Plummer, Octavia Spencer and Meryl Streep; co-stars Mark Wahlberg and Ted; and, musical performers including Adele, Norah Jones and Barbra Streisand.

Academy Awards for outstanding film achievements of 2012 will be presented on Oscar Sunday, February 24, at the Dolby Theatre™ at Hollywood & Highland Center, and will be hosted by Seth MacFarlane live on the ABC Television Network. The Oscar presentation also will be televised live in more than 225 countries worldwide. For more information go to Oscar.com or download the official Oscars app.