Characters played by Yuri Lowenthal
Ben Tennyson
Characters played by Greg Cipes
Kevin Levin
Characters played by Dee Bradley Baker
Swampfire Ultimate Cannonbolt Ultimate Humungousaur Big Chill Spidermonkey Fasttrack Ultimate Echo Echo AmpFibian Heatblast
Characters played by Jeff Bennett
Azmuth Ghostfreak (as Jeff Glen Bennett)
Characters played by John DiMaggio
Octagon Vreedle Rath Vilgax
Characters played by Rob Paulsen
Rhomboid Vreedle
Characters played by Richard McGonagle
Four Arms