Leonardo DiCaprio has been nominated for the third time for his role as debauched stockbroker Jordan Belfort in Martin Scorsese’s The Wolf of Wall Street, but will face tough competition from Christian Bale, Bruce Dern, Chiwetel Ejiofor and Matthew McCounaughey.
Ejiofor is tipped for his performance as Solomon Northup in Steve McQueen’s harrowing drama 12 Years a Slave. The British actor plays Northup, a black New Yorker who is kidnapped and sold to a New Orleans plantation, run by Best Supporting Actor nominee Michael Fassbender.
Should Ejiofor be awarded the Best Actor Oscar, he would be the first black British actor to receive the accolade.
Oscars 2014: Best Actor and Actress nominees
Oscars 2014: Best Actor and Actress nominees
1/20 Cate Blanchett (Best Actress)
Blanchett has been nominated for Best Actress for her role as a deeply troubled New York socialite in Blue Jasmine.
2/20 Sandra Bullock (Best Actress)
Bullock is nominated for her performance as a medical engineer in Alfonso Cuaron's space adventure Gravity.
3/20 Meryl Streep (Best Actress)
Here pictured left with Julianne Nicholson and Juliette Lewis, Streep has earned a nod for her performance as Violet Weston in August: Osage County.
4/20 Judi Dench (Best Actress)
British actress Dench is up for Best Actress for her role as Philomena Lee in Stephen Frears' Philomena.
5/20 Amy Adams (Best Actress)
Adams is nominated for Best Actress for her role as Sydney Prosser in American Hustle - here pictured left with Bradley Cooper, Jeremy Renner, Christian Bale and Jennifer Lawrence.
Francois Duhamel/ Annapurna Productions
6/20 Leonardo DiCaprio (Best Actor)
DiCaprio has picked up his fourth Oscar nomination - but will he finally win? - for his performance as debauched stockbroker Jordan Belfort in The Wolf of Wall Street.
7/20 Chiwetel Ejiofor (Best Actor)
British actor Ejiofor has been nominated for an Oscar for his role as Solomon Northup in 12 Years a Slave.
8/20 Matthew McConaughey (Best Actor)
McConaughey is up for Best Actor Oscar for his role as an emaciated AIDS patient who smuggles anti-viral drugs into the US in Dallas Buyers Club.
9/20 Christian Bale (Best Actor)
British actor Bale has earned a nod for his performance as con artist Irving Rosenfeld in American Hustle.
10/20 Bruce Dern (Best Actor)
Dern, left, is nominated for his role in Nebraska as elderly father Woody Grant who embarks on a trip with his estranged son.
11/20 Bradley Cooper (Best Supporting Actor)
Cooper, left, has earned an Oscar nod for his supporting role as a wild FBI agent in David O Russell's American Hustle.
12/20 Barkhad Abdi (Best Supporting Actor)
Abdi is up for Best Supporting Actor for his performance as a Somali pirate who hijacks Tom Hanks' ship in Captain Phillips.
13/20 Michael Fassbender (Best Supporting Actor)
Michael Fassbender, left, is nominated for his role as plantation owner Edwin Epps in Steve McQueen's 12 Years a Slave.
14/20 Jared Leto (Best Supporting Actor)
Leto has picked up a Best Supporting Actor nomination for his role as a transgender AIDS patient in Dallas Buyers Club.
15/20 Jonah Hill (Best Supporting Actor)
Hill has earned a nod for his supporting role as a charismatic salesman in The Wolf of Wall Street - pictured here, left, in a scene with Best Actor nominee DiCaprio.
16/20 Julia Roberts (Best Supporting Actress)
Julia Roberts, here seen embracing Best Actress nominee Meryl Streep, is nominated for her role in August: Osage County.
17/20 Jennifer Lawrence (Best Supporting Actress)
Lawrence has been nominated for her role as Rosalyn Rosenfeld in American Hustle - she won Best Actress for Silver Linings Playbook last year.
18/20 Lupita Nyong'o (Best Supporting Actress)
Kenyan actress Nyong'o has earned a nod for her role as Patsey in 12 Years a Slave, here pictured with Best Supporting Actor nominee Michael Fassbender.
19/20 Sally Hawkins (Best Supporting Actress)
Sally Hawkins, left, and Andrew Dice Clay in a scene from the Woody Allen film, Blue Jasmine. British actor Hawkins is nominated for her role as Jasmine's sister Ginger.
20/20 June Squibb (Best Supporting Actress)
Squibb is nominated for her role as Kate Grant, wife of Best Actor nominee Bruce Dern's character in Alexander Payne's Nebraska.
David O Russell’s black comedy American Hustle has achieved nominations success with its two male stars Christian Bale and Bradley Cooper up for Best Actor and Best Supporting Actor respectively. British actor Bale plays con artist Irving Rosenfeld while Cooper takes on the role of wild FBI agent Richie DiMaso.
McConaughey’s Best Actor Oscar nod comes off the back of his Golden Globe win in the same category last weekend. The 44-year-old plays AIDS patient and medications smuggler Ron Woodroof in Dallas Buyers Club, alongside Jared Leto, who is also nominated for his role as transgender sufferer Rayon.
American actor Bruce Dern’s performance as an elderly father reconnecting with his estranged son in Nebraska has also won him a Best Actor nomination.
In the Best Supporting Actor category, Jonah Hill and Barkhad Abdi are nominated alongside Cooper, Fassbender and Leto.
Hill is up for his role as salesman Donnie Azoff in The Wolf of Wall Street and Abdi for his performance as a Somalian pirate in Captain Phillips.
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