Elijah Wood (Frodo Beutlin), Sean Astin (Samweis Gamdschie), Sir Ian Murray McKellen (Gandalf), Viggo Mortensen (Aragorn), Andy Serkis (Gollum / Sméagol), Liv Tyler (Arwen Undómiel), Cate Blanchett (Galadriel), Orlando Bloom (Legolas), Billy Boyd (Peregrin Tuk), Alistair Browning (Damrod), Bernard Hill (Théoden), Brad Dourif (Grima Schlangenzunge), Bruce Hopkins (Gamling), Christopher Lee (Saruman), David Wenham (Faramir), Dominic Monaghan (Meriadoc), Hugo Weaving (Elrond), Ian Holm (Bilbo Beutlin), John Rhys-Davies (Gimli), Karl Urban (Éomer), Sean Bean (Boromir), Miranda Otto (Éowyn), Marton Csokas (Celeborn), Lawrence Makoare (Gothmog / Hexenkönig), John Noble (Denethor), John Bach (Madril), Ian Hughes (Irolas), Paul Norell (König der Toten), Thomas Robins (Déagol), Sarah Mcleod (Rosie Cotton)