<Li> Antony Sher as Thrain: Thorin's father who is held captive in Sauron's stronghold of Dol Guldur . </Li> <P> Additionally, Peter Jackson makes a cameo appearance in the film, reprising his role as the man eating a carrot in Bree, his daughter Katie portrays Barliman Butterbur's wife Betsy, Philippa Boyens's daughter Phoebe and scale double Kiran Shah appear as a waitress and a Hobbit in the Prancing Pony, James Nesbitt's daughters Peggy and Mary portray Tilda and Sigrid, the daughters of Bard, Stephen Colbert and his family along with WingNut Films' assistant Norman Kali and producer Zane Weiner appear as Lake - town spies, and editor Jabez Olssen appears as a fishmonger . Brian Sergent (who portrayed the Hobbit Ted Sandyman in the extended edition of Fellowship of the Ring) and Peter Vere - Jones provide the voices of the spiders in Mirkwood . </P> <P> Most of the filming was finished during 2012, ending in July 2012 . During May 2013, additional shooting for the film and The Hobbit: The Battle of the Five Armies began in New Zealand, lasting 10 weeks . Unmanned aerial vehicles or drones were used for some shots in the film . </P> <P> The musical score for The Desolation of Smaug was composed by Howard Shore . Shore provided orchestral sketches and synth mock - ups to orchestrators James Sizemore and Conrad Pope (who also conducted the orchestra). It was performed by the New Zealand Symphony Orchestra, London Voices and Tiffin' Boys Choir, as well as two New Zealand Gamelan orchestras . The score featured themes from the previous film and the Lord of the Rings trilogy, but relied heavily on the themes of Smaug, Laketown, the Woodland Realm (including themes for Tauriel and for Legolas), etc . In the process, the themes for the company of the Dwarves were discontinued . The original motion picture soundtrack album was released on 10 December 2013 . It received positive reviews, especially for its new themes . </P>

Who plays in the hobbit desolation of smaug