10. Christian Bale
Known for:
Thomas (Pocahontas)
Howl (Howl's Moving Castle)
(He seriously needs to do more voice acting; he's really very good but these two are his only roles.)
9. Beau Billingslea
Known for:
Jet Black (Outlaw Star)
Cyborg 005 (Cyborg 009)
Narrator (Outlaw Star)
8. Mako
Known for:
Uncle Iroh (Avatar: The Last Airbender)
Aku (Samurai Jack)
Narrator (Conan the Barbarian)
7. Phil Lamar
Known for:
Green Lantern (Justice League)
Hermes Conrad (Futurama)
Samurai Jack (Samurai Jack)
6. John Goodman
Known for:
Sulley (Monsters Inc.)
Zeus (Hercules)
Pacha (Emperor's New Groove)
5. Dan Castellaneta
Known for:
Homer Simpson (The Simpsons)
Krusty the Clown (The Simpsons)
Genie (Return of Jafar)
4. Gray Delisle
Known for:
Azula (Avatar: The Last Airbender)
Yumi (Hi Hi Puffy Ami Yumi)
Frida Suarez (El Tigre)
3. Kevin Conroy
Known for:
Batman/Bruce Wayne (Batman: The Animated Series)
2. James Earl Jones
Known for:
Darth Vader (Star Wars)
Mufasa (The Lion King)
"Bleeding Gums" Murphy (The Simpsons)
1. Mark Hamil
Known for:
The Joker (Batman: The Animated Series)
Firelord Ozai (Avatar: The Last Airbender)
Stickybeard (Codename: Kids Next Door)