Hathaway took home an Academy Award last year for best supporting actress for her performance in "Les Miserables." Also, she was previously nominated for her leading role in the 2008 film "Rachel Getting Married." The 31-year-old actress co-hosted the Oscars in 2011 with James Franco.
Day-Lewis also won an Academy Award last year for his leading role in "Lincoln." The 56-year-old actor has also been nominated for five Oscars in the lead actor category. His previous wins were for the 2007 film "There Will Be Blood" and 1989 movie "My Left Foot." He also received nominations for his starring roles in the 2002 film "Gangs of New York" and the 1993 movie "In the Name of the Father"
Waltz is no stranger to the Oscars. The 57-year-old took home an Oscar last year for his supporting performance in "Django Unchained." He also won in 2009 for his supporting role in "Inglourious Basterds."
Oscars producers announced earlier that Jennifer Lawrence would present at the awards show as well. Lawrence is up for an Oscar for her supporting role in "American Hustle." Last year, she won for her leading role in "Silver Linings Playbook."
The 2014 Oscars will take place on March 2 at the Dolby Theatre at Hollywood & Highland Center in Los Angeles and will air live on ABC7. Ellen DeGeneres will host for the second time.