Ian McKellen as Gandalf the Grey

Martin Freeman as Bilbo Baggins

Richard Armitage as Thorin Oakenshield

Orlando Bloom as Legolas

Evangeline Lilly as Tauriel

Luke Evans as Bard

Lee Pace as King Thranduil

Benedict Cumberbatch as Smaug / Sauron (voice)

Ken Stott as Balin

Aidan Turner as Kili

Dean O'Gorman as Fili

Billy Connolly as Dain Ironfoot

Graham McTavish as Dwalin

James Nesbitt as Bofur

Stephen Fry as Master of Laketown

Ryan Gage as Alfrid

Cate Blanchett as Galadriel

Ian Holm as Old Bilbo Baggins

Christopher Lee as Saruman the White

Hugo Weaving as Elrond

Mikael Persbrandt as Beorn

Sylvester McCoy as Radagast the Brown

Peter Hambleton as Gloin

John Callen as Oin

Mark Hadlow as Dori

Jed Brophy as Nori

William Kircher as Bifur

Stephen Hunter as Bombur

Adam Brown as Ori

John Bell as Bain

Manu Bennett as Azog the Defiler

John Tui as Bolg

Peggy Nesbitt as Sigrid

Mary Nesbitt as Tilda

Kelly Kilgour as Soury

Mark Mitchinson as Braga

Sarah Peirse as Hilda Bianca

Nick Blake as Percy

Simon London as Feren

Conan Stevens as Keeper of the Dungeons

Allan Smith as Ragash

Miranda Harcourt as Olga

Thomasin McKenzie as Astrid

Erin Banks as Lobelia Sackville Baggins

Brian Hotter as Otho Sackville Baggins

Timothy Bartlett as Master Worrywort

Mervyn Smith as Tosser Grubb

Martin Kwok as Ragash (voice)

Dee Bradley Baker as Creature Voices (voice)

Olof Johnsson as Creature Voices (voice)

Jon Olson as Creature Voices (voice)

Otep Shamaya as Creature Voices (voice)

Debra Wilson as Creature Voices (voice)

Abraham Wream as Old man in laketown

Jack Binding as Laketowner (uncredited)

Terry Binding as Laketowner (uncredited)

Stephen Gledhill as Old Gammidge (uncredited)

Billy Jackson as Laketown Refugee (uncredited)

Katie Jackson as Girl in Laketown (uncredited)

Peter Jackson as Painting of Bungo Baggins (uncredited)

Terry Notary as Laketown Refugee (uncredited)

Vanessa Cater as Laketown Refugee (uncredited)

Jacob Tomuri as Somber villager (uncredited)