Siêu Nhí Astro

Bill Nighy

Dr. Elefun / Robotsky (voice)

Donald Sutherland

President Stone (voice)

Charlize Theron

"Our Friends" Narrator (voice)

Nicolas Cage

Dr. Tenma (voice)

Madeline Carroll

Widget (voice)

Sterling Beaumon

Sludge (voice)

Samuel L. Jackson

Zog (voice)

David Alan Grier

Mr. Squirt / Math Cowboy / Boxer Robot (voice)

Alan Tudyk

Mr. Squeegee / Scrapheap Head / Stinger Two (voice)

Newell Alexander

General Heckler (voice)

Elle Fanning

Grace (voice)

Pilar Flynn

Cora's Mom (voice)

Dee Bradley Baker

Trashcan (voice)

Moisés Arias

Zane (voice)

Ryan Stiles

Mr. Moustachio / Burning Robot (voice)