Random Trivia For This Title:
- In the theatrical version, Bombur does not get to say a single word, but he does get to blow a horn. (He does however have one line in the extended edition [hands Bifur the axe that had been dislodged from his head] "Here you go cousin." )
- In the novel, Fili and Kili died to protect Thorin Oakenshield. In the film they die for different reasons: Fili is murdered in battle by Azog and Kili is killed trying to save Tauriel while Thorin is actually trying to protect them.
- Several cast members kept props from the film when shooting wrapped. Martin FreemanMartin Freeman kept his sword and prosthetic ears, while Richard ArmitageRichard Armitage kept the original Orcrist-sword. Finally, Lee PaceLee Pace kept his elven-sword, which he keeps in his umbrella stand.
- This film has the shortest running time of any Middle-earth movie directed by Peter JacksonPeter Jackson, running at 2 hours and 24 minutes. (2 hours and 44 minutes in the extended edition)
- The elk that Thranduil rides on is played by a horse, named Moose.
- When the movie was promoted with a panel at San Diego Comic Con, several fans camped outside hall the day before the panel, in order to get seats. In the middle of the night, the fans were woken up by cast members Lee PaceLee Pace and Andy SerkisAndy Serkis who greeted the waiting fans and delivered autographs and photos for hours. In the end, Pace passed out from exhaustion and shared a mattress with a fan.
- The oak tree on the hill over Bag End is from the acorn Bilbo gathered from Beorn's garden, which is the one he shows to Thorin; for him to remember his adventure.
- This is the first "Middle-Earth" film in the franchise in which the extended edition received an R rating by the MPAA. It is also the first extended edition with the second least amount of new footage (20 minutes), the film with the least amount of new footage is The Hobbit: An Unexpected Journey (13 minutes).
- Despite playing his father in the trilogy, Lee PaceLee Pace (Thranduil) is more than two years younger than Orlando BloomOrlando Bloom (Legolas). Bloom is 38 whereas Pace is only 35.
- Billy BoydBilly Boyd, who played Pippin in the Lord of the Rings trilogy, co-wrote and performed the song "The Last Goodbye" for the end credits of this film.
- Lee PaceLee Pace's parents visited him on set and subsequently Peter JacksonPeter Jackson offered them to be extras in the film. They were given roles as Laketown villagers and filmed a scene with Ian McKellenIan McKellen. However, according to Pace, they were cut out of the film, because his father was "hamming it up" during his scene.
- Until 2017, Cate BlanchettCate Blanchett and Orlando BloomOrlando Bloom were the only major Elf actors not to appear in a Marvel film:But in 2017, Cate BlanchettCate Blanchett appeared as Thor's Sister Hela in Thor: Ragnarok, leaving Orlando BloomOrlando Bloom as the last elf standing.
- Both Ian HolmIan Holm and Christopher LeeChristopher Lee filmed their scenes at London's Pinewood Studios because health concerns left them uncomfortable with flying to New Zealand.
- Cameo: Dominic MonaghanDominic Monaghan: "Merry" from the Lord of the Rings trilogy, can be briefly seen during the auction scene.
- The five armies in the movie are: The Dwarves, the Elves, the men of Laketown, the Eagles, and the Orcs led by Bolg under the command of Azog. In the book, the Five Armies are the Elves, the Men of Laketown, Dwarves and Eagles for the good side, and the Orcs
- In the novel, the Master of Lake-town made a getaway with whatever gold he could carry. He gets killed in the film, so that fate goes to Alfrid.