Orson Bean as Frodo Baggins / Bilbo Baggins (voice)

Roddy McDowall as Samwise Gamgee (voice)

John Huston as Gandalf (voice)

Theodore Gottlieb as Gollum (voice)

Casey Kasem as Meriadoc 'Merry' Brandybuck (voice)

Sonny Melendrez as Peregrin 'Pippin' Took (voice)

Theodore Bikel as Aragorn (voice)

William Conrad as Lord Denethor (voice)

Don Messick as King Theoden / Easterling / The Mouth of Sauron (voice)

Paul Frees as Orc / Uruk-Hai / Capt. Shagrat / Lt. Snaga / Lord Elrond (voice)

John Stephenson as Gondorian Guard / Dwimmerlaik - The Witch-King of Angmar (voice)

Nellie Bellflower as Eowyn / Dernhelm (voice)

Glenn Yarbrough as The Minstrel (voice)