Tara Strong

Ben Tenyson

Meagan Moore

Gwen Tennyson

Paul Eiding

Grandpa Max

Richard McGonagle

Four Arms

Robert David Hall

Azmuth

Fred Tatasciore

Cannonbolt / Way Big

Vanessa Marshall

Myaxx / Salesperson

Dwight Schultz

Dr. Animo

Steve Blum

Vilgax / Heatblast / Nightmarish Alien / Alien Fly Prisoner

Jim Ward

XLR8 / Ripjaws Prisoner / Incarcecon Security

Dee Bradley Baker

Robotic Lt / Wildmutt / Gluto / Eye Guy / Alien Prisoner #1 / Automated Security

Richard Steven Horvitz

Grey Matter / Stinkfly Prisoner

Dave Wittenberg

Upchuck / Alien #2

Dave Fennoy

Tetrax / Alien #1 / Alien Prisoner #2