 | Martin Freeman als Bilbo Baggins |
 | Ian McKellen als Gandalf |
 | Richard Armitage als Thorin Oakenshield |
 | Luke Evans als Bard |
 | Orlando Bloom als Legolas |
 | Lee Pace als Thranduil |
 | Evangeline Lilly als Tauriel |
 | Ken Stott als Balin |
 | James Nesbitt als Bofur |
 | Aidan Turner als Kili |
 | Dean O'Gorman als Fili |
 | Graham McTavish als Dwalin |
 | Benedict Cumberbatch als Smaug / Necromancer (voice) |
 | Billy Connolly als Dain |
 | Stephen Fry als Master of Laketown |
 | Ryan Gage als Alfrid |
 | Hugo Weaving als Elrond |
 | Cate Blanchett als Galadriel |
 | Ian Holm als Old Bilbo Baggins |
 | Christopher Lee als Saruman |
 | Mikael Persbrandt als Beorn |
 | Sylvester McCoy als Radagast |
 | Peter Hambleton als Gloin |
 | John Callen als Oin |
 | Mark Hadlow als Dori |
 | Jed Brophy als Nori |
 | William Kircher als Bifur |
 | Stephen Hunter als Bombur |
 | Adam Brown als Ori |
 | John Bell als Bain |
 | Manu Bennett als Azog the Defiler |
 | John Tui als Bolg |
 | Peggy Nesbitt als Sigrid |
 | Mary Nesbitt als Tilda |
 | Kelly Kilgour als Soury |
 | Mark Mitchinson als Braga |
 | Sarah Peirse als Hilda Bianca |
 | Nick Blake als Percy |
 | Simon London als Feren |
 | Conan Stevens als Keeper of the Dungeons |
 | Allan Smith als Ragash |
 | Miranda Harcourt als Olga |
 | Thomasin McKenzie als Astrid |
 | Erin Banks als Lobelia Sackville Baggins |
 | Brian Hotter als Otho Sackville Baggins |
 | Timothy Bartlett als Master Worrywort |
 | Mervyn Smith als Tosser Grubb |
| Martin Kwok als Ragash (voice) |
 | Dee Bradley Baker als Creature Voices (voice) |
 | Olof Johnsson als Creature Voices (voice) |
 | Jon Olson als Creature Voices (voice) |
 | Otep Shamaya als Creature Voices (voice) |
 | Debra Wilson als Creature Voices (voice) |
| Abraham Wream als Old man in laketown |
| Jack Binding als Laketowner (uncredited) |
| Terry Binding als Laketowner (uncredited) |
 | Stephen Gledhill als Old Gammidge (uncredited) |
 | Billy Jackson als Laketown Refugee (uncredited) |
 | Katie Jackson als Girl in Laketown (uncredited) |
 | Peter Jackson als Painting of Bungo Baggins (uncredited) |
 | Terry Notary als Laketown Refugee (uncredited) |
 | Vanessa Cater als Laketown Refugee (uncredited) |
| Dan Hennah | Production Design |
| Ra Vincent | Set Decoration |
| Richard Wiles | Set Designer |
| David Kolff | Leadman |
| Peter Jackson | Director |
| J.R.R. Tolkien | Novel |
| Jabez Olssen | Editor |
| Victoria Burrows | Casting |
| John Howe | Conceptual Design |
| Alan Lee | Conceptual Design |
| Ben Mauro | Conceptual Design |
| Simon Lowe | Greensman |
| Isadore William Crooks | Set Designer |
| John Simpson | Foley |
| Dave Whitehead | Sound Designer |
| Andy McLaren | Art Direction |
| Mykyta Brazhnyk | Set Decoration |
| Simon Bright | Set Decoration |
| Darryn Grass Davies | Greensman |
| Henry Hole | Greensman |
| Rose Worley | Greensman |
| Margo Kaczynska McKenzie | Scenic Artist |
| Mark Stephens | Set Designer |
| Gavin Urquhart | Set Designer |
| Howard Shore | Original Music Composer |
| Carolynne Cunningham | Producer |
| Peter Jackson | Producer |
| Fran Walsh | Producer |
| Zane Weiner | Producer |
| Philippa Boyens | Co-Producer |
| Carolyn Blackwood | Executive Producer |
| Andrew Lesnie | Director of Photography |
| Amy Hubbard | Casting |
| John Hubbard | Casting |
| Liz Mullane | Casting |
| Miranda Rivers | Casting |
| Bob Buck | Costume Design |
| Ann Maskrey | Costume Design |
| Richard Taylor | Costume Design |
| Nancy Hennah | Hairstylist |
| Georgia Lockhart-Adams | Hairstylist |
| Rick Findlater | Makeup Department Head |
| Michele Barber | Makeup Artist |
| Catherine Maguire | Makeup Artist |
| Barbara Broucke | Makeup Artist |
| Karen Flett | Art Department Coordinator |
| Joshua Barraud | Assistant Art Director |
| Michael Smale | Assistant Art Director |
| David Farmer | Sound Designer |
| Hayden Collow | Sound Effects Editor |
| Justin Doyle | Sound Effects Editor |
| Melanie Graham | Sound Effects Editor |
| Justin Webster | Sound Effects Editor |
| Christopher Boyes | Sound Re-Recording Mixer |
| Michael Hedges | Sound Re-Recording Mixer |
| Michael Semanick | Sound Re-Recording Mixer |
| Gary Summers | Sound Re-Recording Mixer |
| Stefanie Ng | First Assistant Sound Editor |
| Brent Burge | Supervising Sound Editor |
| Jason Canovas | Supervising Sound Editor |
| Paul Tobin | Conceptual Design |
| Daniel Macarin | CG Supervisor |
| Daniele Tosti | CG Supervisor |
| Leon Woud | Animation Director |
| Alessandro Saponi | CG Supervisor |
| Mike Perry | CG Supervisor |
| Luke Millar | CG Supervisor |
| Tom Meade | Animation Director |
| Jade Mansueto | Animation Director |
| Keith Lackey | Animation Director |
| Derrick Auyoung | Animation Director |
| Shaun Friedberg | Animation Director |
| Jeff Capogreco | Sequence Supervisor |
| Michael Cozens | Animation Supervisor |
| Kevin Andrew Smith | Sequence Supervisor |
| Joe Letteri | Animation Supervisor |
| Mark Gee | Sequence Supervisor |
| Nicky Muir | Animation Manager |
| Kirstin Cambie | Animation Production Assistant |
| David Conley | Visual Effects Producer |
| Aaron Cubis | Visual Effects Editor |
| Anna-Louise Gordon | Visual Effects Producer |
| Ben Hatton | Visual Effects Editor |
| James Meikle | Visual Effects Editor |
| Matt Aitken | Visual Effects Supervisor |
| Joe Letteri | Visual Effects Supervisor |
| Romy Webster | Visual Effects Supervisor |
| R. Christopher White | Visual Effects Supervisor |
| Alexander Nowotny | VFX Supervisor |
| Ronnie Menahem | VFX Supervisor |
| David Caeiro Cebrián | VFX Supervisor |
| Glenn Boswell | Stunt Coordinator |
| Simon Harding | Camera Operator |
| James H. Fisher | Still Photographer |
| Mark Pokorny | Still Photographer |
| Reg Garside | Gaffer |
| David Brown | Rigging Gaffer |
| Sally Gray | Set Costumer |
| Charlotte Hayes | Set Costumer |
| Jenny Rushton | Set Costumer |
| Dan Best | First Assistant Editor |
| Jeremy Cullen | Music Editor |
| Steve Gallagher | Music Editor |
| Mathew Gordon | Location Manager |
| Leith McPherson | Dialect Coach |
| Jared Connon | Location Manager |
| Roisin Carty | Dialect Coach |
| Melissa Booth | Unit Publicist |
| Sean Button | Stunts |
| Arun Ram-Mohan | Lighting Artist |
| Hugo Dominguez | Visual Effects |
| Matt Weaver | VFX Artist |
| Simon Bright | Supervising Art Director |
| Christian Rivers | Visual Effects Designer |
| John McKay | Dialogue Editor |
| Ray Beentjes | Dialogue Editor |
| Matt Stutter | Dialogue Editor |
| Martin Kwok | Dialogue Editor |
| Carolynne Cunningham | First Assistant Director |
| Andy Serkis | Second Unit Director |
| Neil Aldridge | ADR Editor |
| Nigel Stone | ADR Supervisor |
| Nick Weir | Property Master |
| Adrian Medhurst | Sound Recordist |
| Guillermo del Toro | Screenplay |
| Peter Jackson | Screenplay |
| Philippa Boyens | Screenplay |
| Fran Walsh | Screenplay |
| Mark Trotter | Stunts |
| Genevieve Aitken | Stunts |
| Kim Fardy | Stunts |
| Eric Saindon | Visual Effects Supervisor |
| David Clayton | Visual Effects |
| Graham Binding | Senior Animator |
| Ronan Binding | Animation |
| Min Windle | Stunts |
| Natalie Crane | Costume Assistant |
| Carolina Jiménez | Layout |
| Steven Saunders | Sculptor |
| Daniel Falconer | Sculptor |
| Ken Kamins | Executive Producer |
| Toby Emmerich | Executive Producer |
| Alan Horn | Executive Producer |
| Peter Swords King | Makeup Designer |
| Peter Swords King | Hair Designer |
| Peter Dillon | Stunts |
| Toby Lloyd | Sound Recordist |
| Vanessa Cater | Stunts |
| Flora Moody | Makeup & Hair |
| Ingrid Kleinig | Stunt Double |
| Ashlee Fidow | Stunts |
