Directed by Francis Lawrence, the upcoming science fiction film "The Hunger Games: Mockingjay Part 1" is going to be hitting theatres this year on Nov. 21. Known for his role as Finnick Odair, Sam Claflin was recently interviewed by Extra and he revealed some juicy details about the third installment of the film.

The British actor stopped by Universal Studios Hollywood and said that everything went smoothly with the film but doesn't want to give out anything to ruin the fans' anticipation. "I want to tell you everything, that's the worst part," Claflin said during the interview with Extra's Renee Bargh. "All I can say is that it's going very well and looks amazing."

Written by Danny Strong, the first of the two-part movie began filming on Sept. 23 in Atlanta and wrapped its production on April 18. Based on a best-selling novel by Suzanne Collins, "The Hunger Games: Mockingjay Part 1" landed on top of Fandango's list of most-anticipated films for 2014.

"The sets are incredible and the costumes are insane," Claflin added. "I'm thinking about it and I'm smiling. There's a lot more to come."

After filming in Atlanta, the cast and crew started shooting its battle scenes in Paris and at Berlin Templehof Airport in Berlin. According to reports on Mockingjay.net, there are about 1,000 extras are required to shot the scenes and based on actress Natalie Dormer the film's locations will be rotated for the part two of the film.

"Mockingjay" plot summary reads: In "Mockingjay Parts 1 & 2," we follow heroine Katniss Everdeen's journey as she leads the districts of Panem in a rebellion against the tyrannical and corrupt Capitol. As the war that will determine the fate of Panem escalates, Katniss must decipher for herself who she can trust and what needs to be done, with everything she cares for in the balance.

Oscar-winner Jennifer Lawrence will reprise her role as Katniss Everdeen, Josh Hutcherson as Peeta Mellark and Liam Hemsworth as Gale Hawthorne. Julianne Moore will return as President Alma Coin, Donald Sutherland as President Coriolanus Snow, Willow Shields as Primrose Everdeen and Natalie Dormer as Cressida.

Watch of trailer of "Hunger Games: Mockingjay Part 1" here.

Jennifer Lawrencebest supporting actress nominee for her role in the film quotAmerican Hustlequot, peeks around an Oscar statue on the red carpet
Jennifer Lawrence, best supporting actress nominee for her role in the film "American Hustle", peeks around an Oscar statue on the red carpet as actor Brad Pitt (L) looks on at the 86th Academy Awards ReutersS/Lucy Nicholson
Josh Hutcherson poses backstage with his awards for Best Male Performance and Best Movie of the Year for his performance in quotThe Hunger Games Catching Firequot at the 2014 MTV Movie Awards in Los Angeles
Actor Josh Hutcherson poses backstage with his awards for Best Male Performance and Best Movie of the Year for his performance in "The Hunger Games: Catching Fire" at the 2014 MTV Movie Awards in Los Angeles, California April 13, 2014. REUTERS/Danny Moloshok
Sam Claflin and Josh Hutcherson pose backstage with their award for Best Movie of the Year and Hutchersons award for Best Male Performance for the film quotThe Hunger Games Catching Firequot at the 2014 MTV Movie Awards in Los Angeles
Actors Sam Claflin (L) and Josh Hutcherson pose backstage with their award for Best Movie of the Year and Hutcherson's award for Best Male Performance for the film "The Hunger Games: Catching Fire" at the 2014 MTV Movie Awards in Los Angeles, California April 13, 2014. REUTERS/Danny Moloshok
MTV Movie Awards 2014 Hunger Games Catching Fire Takes Lead, View Complete List of Winners
MTV Movie Awards 2014: ‘Hunger Games: Catching Fire’ Takes Lead, View Complete List of Winners Reuters
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