Daryl Sabara

Additional Voices (voice)

Edgar Rice Burroughs

Hero Boy (voice)

Juni Cortez

Apprentice / Caroler / Beggar / Peter Cratchit (voice)

Julio

Juni Cortez

Wesley Rhoades

Juni Cortez

Juni Cortez

Stoner

Heatblast / Omni-Naut Heatblast (voice)

Kyle Clayton

Chips

Rex Salazar (voice)

Benjamin Fiedler

Heatblast

Rex Salazar / Heatblast (voice)

Doogie

Matt

Nathan

(voice)

James Talley (Age 10)

Jason

Mike (voice)

Tommy (voice)

Evan

Marco North (voice)

Clark Peterson

Leslie Flowers

-

Gabriel "Gabe" Reilich

Owen

Self

Hanson

Tommy / Steve (voice)

Heatblast

Son on Pier (voice)

T.J. Taylor

Tim Scottson

-

Self

-

Self

-

Rex Salazar (voice)

Andy / Scorn (voice)

Broccoli Boy

Jason (voice)

-

Jason Hetner

Mace

Self

-

-

-

Corey

Leslie Flowers

-

-

Hunter (voice)

-

Jeffy

-

-