Their participation was announced Thursday by Executive Producer Jeff Margolis.
Previously confirmed as presenters for the 19th annual Screen Actors Guild Awards are Alec Baldwin, Bradley Cooper, Viola Davis, Anne Hathaway, Hugh Jackman, Jennifer Lawrence, Carl Reiner, Justin Timberlake and Sigourney Weaver.
The ceremony -- honoring the best in film and television for 2012 -- is to take place Jan. 27 at the Shrine Exposition Center in Los Angeles.
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