Bardem, 41, won an Oscar for his supporting role in the 2007 film "No Country for Old Men" and received his third Academy Award nomination this year for his leading role in "Biutiful."
Dame Mirren, 65, won an Oscar in 2006 for her performance in "The Queen." She has been nominated on three other occasions for her performance in "The Last Station" in 2009, "Gosford Park" in 2001 and "The Madness of King George" in 1994.
McConaughey, 41, stars in next month's drama, "The Lincoln Lawyer" and will star in the upcoming comedic drama, "Killer Joe" as the titular character.
Others set to present at the 2011 Academy Awards ceremony, set to air live on ABC on February 27 at 8 p.m. ET, are current nominees Nicole Kidman, who as also an Oscar recipient, and Annette Bening, former winners Hilary Swank, Reese Witherspoon, Halle Berry, Jeff Bridges, Sandra Bullock, Tom Hanks and Marisa Tomei, former nominees Robert Downey Jr., Cate Blanchett, Jude Law and Oprah Winfrey, former Academy Awards host Hugh Jackman, Scarlett Johansson, Russell Brand and former nominee Josh Brolin.
Among the confirmed scheduled performers are Gwyneth Paltrow, who will sing "Country Strong" by her latest film by the same name, Zachary Levi and Mandy Moore, who will perform "I See the Light" from the animated film "Tangled," accompanied by Alan Menken, Randy Newman, who will sing his song "We Belong Together" from the animated movie "Toy Story 3" and A.R. Rahman and Florence Welch of Florence + the Machine, who will will perform "If I Rise" from the film "127 Hours."
This year's Oscar ceremony is set to air live on ABC from the Kodak Theatre in Los Angeles on Feb. 27, 2011. Check out a full list of Oscar nominations.
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