Lista de personajes y actores de la Trilogia, realizada por el Director Peter Jackson.

Frodo Baggins/Bolsón		Elijah Wood
Gandalf, el Gris/el Blanco		Ian McKellen
Aragorn, aka Strider		Viggo Mortensen
Arwen		Liv Tyler
Samwise 'Sam' Gamgee		Sean Astin
Galadriel		Cate Blanchett
Gimli		John Rhys-Davies
Peregrin 'Pippin' Took		Billy Boyd
Meriadoc 'Merry' Brandybuck		Dominic Monaghan
Legolas Greenleaf		Orlando Bloom
Saruman		Christopher Lee
Elrond		Hugo Weaving
Boromir		Sean Bean
Bilbo Baggins/Bolsón		Ian Holm
Smeagol/Gollum		Andy Serkis
Celeborn		Marton Csokas
Haldir		Craig Parker
Lurtz		Lawrence Makoare
Sauron		Sala Baker
Everard Proudfoot		Noel Appleby
Mrs. Proudfoot		Megan Edwards (III)
Gondorian Archivist		Michael Elsworth
Gil-Galad		Mark Ferguson (I)
Witch-King		Brent McIntyre
Elendil		Peter McKenzie
Rosie Cotton		Sarah McLeod (II)
Bounder		Ian Mune
Farmer Maggot		Cameron Rhodes
Gatekeeper of Bree		Martyn Sanderson
Isildur		Harry Sinclair (II)
Barliman Butterbur		David Weatherley
Théoden		Bernard Hill
Gríma Wormtongue		Brad Dourif
Éowyn		Miranda Otto
Éomer		Karl Urban
Faramir		David Wenham
Denethor		John Noble
Elanor Gamgee		Alexandra Astin
Ghan-buri-Ghan		Wi Kuki Kaa
The Witch King		Lawrence Makoare
Gorbag		Stephen Ure
Arbok/Trebok		John Rhys-Davies
Radagast, el cafe
Grishnak