Though successful with several other roles, Bob Joles is a proficient (and profitable) John Rhys-Davies-impersonator. Apart from playing all Rhys-Davies' roles on Electronic Arts' video games, Joles also took over his roles of Hades in Justice League Unlimited and ManRay in SpongeBob SquarePants.
- 2009: The Lord of the Rings: Conquest: Gimli, Treebeard, Uruk-Hai
- 2006: The Lord of the Rings: The Battle for Middle-earth II: Gimli, Dáin Ironfoot, Additional voices
- 2004: The Lord of the Rings: The Battle for Middle-earth: Gimli, Treebeard, Additional voices