Avery Bullock, American Dad!
Stewart has voiced deputy CIA director Avery Bullock on American Dad! since 2005.
William Shakespeare, Gnomeo & Juliet
Stewart voices a statue of playwright William Shakespeare in a brief cameo in the 2011 comedy Gnomeo & Juliet.
King Goobot V, Jimmy Neutron: Boy Genius
Stewart voiced the primary antagonist King Goobot V in the 2001 Nickelodeon film Jimmy Neutron: Boy Genius.
Ariscratle, Ice Age: Continental Drift
Stewart went prehistoric in Ice Age: Continental Drift voicing Ariscratle, a saber-toothed squirrel who lives on Scratlantis.
Lord Yupa, Nausicaä of the Valley of the Wind
In a dub of the Hayao Miyazaki classic Nausicaä of the Valley of the Wind, Stewart voices the swordmaster Lord Yupa.