Tara Strong

as Ben Tennyson / Witch / Buzzshock (voice)

Montse Hernandez

as Gwen Tennyson / President Gwen / Newscaster Karen (voice)

David A. Kaye

as Max Tennyson / A.I. Max / Captain (voice)

Fred Tatasciore

as Ben 10,000 / Xerge / Serge / Four Arms / Heatblast (voice)

Greg Cipes

as Humungoraptor / Reporter (voice)

John DiMaggio

as Secretary Zombozo / Newscaster Chet / Maurice (voice)

Roger Craig Smith

as Sergeant Smythe/Cabinet Member/Steam Smythe/Diamondhead (voice)

Robin Atkin Downes

as General Hex (voice)