Mr. Fantastic / Reed Richards (26 episodes, 2006-2010)
Invisible Woman / Susan Storm (26 episodes, 2006-2010)
Johnny Storm / The Human Torch (26 episodes, 2006-2010)
Ben Grimm / The Thing (26 episodes, 2006-2010)
H.E.R.B.I.E. / Peter Parker / Trapster (16 episodes, 2006-2007)
Dr. Doom / Victor Von Doom / Mole Man / Captain Ultra / Harvey Elder (10 episodes, 2006-2007)
Alicia Masters (7 episodes, 2006-2007)
Ronan the Accuser / Mr. Bonner-Davis (4 episodes, 2006-2007)
Super-Skrull / Commander Kl'rt (3 episodes, 2006-2007)
Courtney Bonner-Davis (3 episodes, 2006)
Annihilus (2 episodes, 2007)
(2 episodes, 2006-2007)
Namor (2 episodes, 2007)
Phillip Masters / Puppetmaster (2 episodes, 2007)
Lucia Von Bardas (2 episodes, 2007)
Impossible Man (2 episodes, 2007)
Iron Man / Tony Stark (1 episode, 2007)
The Supreme Intelligence (1 episode, 2006)
The Hulk (1 episode, 2006)
Agent Pratt (1 episode, 2006)
Ant-Man / Hank Pym (1 episode, 2006)
Willie Lumpkin (1 episode, 2006)
Bruce Banner (1 episode, 2006)
Frankie Raye (1 episode, 2006)
Rupert The Geek (1 episode, 2007)
Diablo (1 episode, 2007)
The Wizard (1 episode, 2007)
Jennifer Walters / She-Hulk / Squirrel Girl (1 episode, 2007)
Grandmaster (1 episode, 2007)
Henry Peter Gyrich (1 episode, 2007)
Klaw / Ulysses Klaw (uncredited) (1 episode, 2007)
Terminus (uncredited) (1 episode, 2010)