Tara Strong

Ben Tennyson

Montse Hernandez

Gwen Tennyson

David Kaye

Max Tennyson

Roger Craig Smith

Diamondhead

Josh Keaton

XLR8

John DiMaggio

Four Arms

Daryl Sabara

Heatblast

Travis Willingham

Cannonbolt

Drake Bell

Michael Morningstar (voice)

Tom Kenny

Xingo (voice)

Todd Haberkorn

Grey Matter / Tevin (voice)

Dwight Schultz

Dr. Animo / Lumberjack (voice)

Kari Wahlgren

Helen Troy (voice)