Elijah Wood as Frodo

Ian McKellen as Gandalf

Viggo Mortensen as Aragorn

Sean Astin as Sam

Andy Serkis as Gollum / Smeagol

Dominic Monaghan as Merry

Billy Boyd as Pippin

John Noble as Denethor

David Wenham as Faramir

Miranda Otto as Éowyn

Bernard Hill as Théoden

John Rhys-Davies as Gimli

Orlando Bloom as Legolas

Hugo Weaving as Elrond

Liv Tyler as Arwen

Cate Blanchett as Galadriel

Karl Urban as Éomer

Ian Holm as Bilbo

Sean Bean as Boromir

Lawrence Makoare as Witchking / Gothmog

Marton Csokas as Celeborn

Paul Norell as King of the Dead

Noel Appleby as Everard Proudfoot

Sarah McLeod as Rosie Cotton

Ali Astin as Elanor Gamgee

Maisy McLeod-Riera as Baby Gamgee

David Aston as Gondorian Soldier 3

John Bach as Madril

Sadwyn Brophy as Eldarion

Alistair Browning as Damrod

Richard Edge as Gondorian Soldier 1

Jason Fitch as Uruk 2

Bruce Hopkins as Gamling

Ian Hughes as Irolas

Bret McKenzie as Elf Escort

Bruce Phillips as Grimbold

Shane Rangi as Harad Leader 2

Todd Rippon as Harad Leader 1

Thomas Robins as Déagol

Harry Sinclair as Isildur

Peter Tait as Shagrat

Joel Tobeck as Orc Lieutenant 1

Stephen Ure as Gorbag

Sala Baker as Featured Orc

Robert Pollock as Featured Orc

Ross Duncan as Featured Orc

Pete Smith as Featured Orc

Jed Brophy as Featured Orc

Lee Hartley as Featured Orc

Billy Jackson as Featured Child

Katie Jackson as Featured Child

Alan Howard as The Ring (voice)

Jane Abbott as Coronation Elf (uncredited)

Gino Acevedo as Corsair of Umbar (uncredited)

Aidan Bell as Orc (uncredited)

Jarl Benzon as Coronation Elf (uncredited)

Jørn Benzon as Rivendell Elf (uncredited)

Emma Deakin as Diamond of Long Cleave (uncredited)

Michael Elsworth as Círdan the Shipwright (uncredited)

Clint Elvy as Haradrim Warrior (uncredited)

Zo Hartley as Orc Helper (uncredited)

Peter Jackson as Corsair Bosun (uncredited)

Sandro Kopp as Coronation Elf (uncredited)

Andrew Lesnie as Corsair of Umbar (uncredited)

Joseph Mika-Hunt as Orc (uncredited)

Henry Mortensen as Pelennor Orc (uncredited)

Craig Parker as Gothmog / Orc Lieutenant 1 (voice) (uncredited)

Rick Porras as Corsair of Umbar / Beacon Guard (uncredited)

Christian Rivers as Corsair of Umbar / Beacon Guard (uncredited)

Michael Semanick as Drinking Rohan Soldier (uncredited)

Howard Shore as Drinking Rohan Soldier (uncredited)

John Stephenson as Witchking (voice) (uncredited)

Richard Taylor as Corsair of Umbar (uncredited)

Royd Tolkien as Gondorian Ranger (uncredited)

Sam Kelly as Coronation Elf/Gondorian Soldier (uncredited)

Christopher Lee as Saruman (Extended Cut)

Bruce Spence as Mouth of Sauron (Extended Cut)

Brad Dourif as Gríma Wormtongue (Extended Cut)