Natalie Dormer ad-libbed 20-30 percent of her scenes, especially when Cressida instructs Finnick and the twins where to stand before filming his speech. When asked how she did that impromptu act, Dormer said that she drew inspiration by paying attention to how Francis Lawrence would converse with his camera crew in-between takes.
The movie was originally planned to be released in China on November 21st, 2014 but got suddenly pulled a week prior to the release. This was likely due to the protest in Hong Kong at the time. As the political theme of movie is very similar with protest's demand for a democratic election in Hong Kong.
Jennifer Lawrence cut her hair short the summer before filming began, due to damage from constant dyeing for the previous films. As a result, Lawrence had to wear a wig in "Mockingjay" for her role of Katniss.
Pollux is an Avox and Avoxes are Capitol "traitors" who have had their tongues cut out. Despite this fact, Pollux whistles the Mockingjay tune to Katniss by the lake. This would be physically very difficult as whistling with accurate pitch usually requires a tongue.
After the end credits, the Mockingjay logo from The Hunger Games appears, turns into the Mockingjay logo from The Hunger Games Catching fire, and then turns into the Mockingjay logo from The Hunger Games Mockingjay Part 1, to finally transform into the Mockingjay logo in the book.
Lily Rabe, who was set to play Commander Lyme of District 2, had to back out of the franchise because of a previous commitment with the stage play "Much Ado About Nothing". Her scenes filmed for Mockingjay part 1 were cut and Gwendoline Christie was soon found as her replacement for part 2.
Was the highest grossing film of 2014 in North America. Its predecessor The Hunger Games: Catching Fire (2013) was the highest grossing film of 2013 in North America, making Catching Fire and Mockingjay Part 1 only the second film series to top the domestic box office in consecutive years. The first series to do so was Going My Way (1944) and The Bells of St. Mary's (1945).
Michael Garza's character (Eddy), is one of the only character in the entire series with a normal modern name. Including Jena Malone's character (Johanna) and Stef Dawson's (Annie), Elizabeth Banks' ( Effie ) and Julieanne Moore's ( Alma )
While many people think the Characters Castor and Pollux are related to Face Off staring Nicholas Cage and John Travolta, the names are actually taken from Greek Mythology. They are twin brothers that are transformed into the constellation Gemini.
Highest grossing movie at the US box office in 2014. This was the first time in that for the second year in a row a movie with a solo female lead has topped the year's box office. Furthermore, Jennifer Lawrence also starred in 2013's highest grossing movie in the US and it was also a part of the "Hunger Games"-franchise: The Hunger Games: Catching Fire (2013).
The trivia items below may give away important plot points.
Although the character of Effie Trinket only appears briefly at the end of the novel, her role has been expanded in the films. Reportedly, after seeing Catching Fire, author Suzanne Collins called director Francis Lawrence and said, "There's no way Effie Trinket cannot be in the Mockingjay films."
In the teasers for this film you can clearly see Josh Hutcherson(Peeta Mellark), Jena Malone(Johanna Mason) & Donald Sutherland(President Snow) all dressed in white fancy attire coming out in capital TV commercials. Mason obviously has a blonde wig on but it's until towards the end of the film you see her bald and bruised by the capital. In the film those scenes of all three of them are never shown. As for Johanna having blonde hair or appearing throughout commercials in the film she is never shown. Only Peeta and President Snow make appearances.