Tara Strong
Ben Tennyson (voice)
Acting
Meagan Moore
Gwen Tennyson (voice)
Acting
Paul Eiding
Grandpa Max (voice)
Acting
Richard McGonagle
Four Arms (voice)
Acting
Robert David Hall
Azmuth (voice)
Acting
Fred Tatasciore
Cannonbolt / Way Big (voice)
Acting
Vanessa Marshall
Myaxx / Salesperson (voice)
Acting
Dwight Schultz
Dr. Animo (voice)
Acting
Steve Blum
Vilgax / Heatblast / Nightmarish Alien / Alien Fly Prisoner (voice)
Acting
Jim Ward
XLR8 / Ripjaws Prisoner / Incarcecon Security (voice)
Acting
Dee Bradley Baker
Robotic Lt / Wildmutt / Gluto / Eye Guy / Alien Prisoner #1 / Automated Security (voice)
Acting
Richard Steven Horvitz
Grey Matter / Stinkfly Prisoner (voice)
Acting
Dave Wittenberg
Upchuck / Alien #2 (voice)
Acting
Dave Fennoy
Tetrax / Alien #1 / Alien Prisoner #2 (voice)
Acting