In addition to voicing the Ent Treebeard in "Lord of the Rings", Rhys-Davies has lent his distinctive voice to many video games and animated television series, including the role of Hades in "Justice League", Man Ray in "Spongebob Squarepants", and numerous times in "Gargoyles" (1994–1996), as the character Macbeth He also lent his vocal talents to the games "Freelancer" (as Richard Winston Tobias) and "Lords of Everquest" (both in 2003) and the game ', which was released with his narration on a CD-ROM version in 1995. He also had a voice role on ' as the character Jherek, and narrated a documentary called "The Glory of Macedonia".