Freddie Highmore

Astro, Toby

Nicolas Cage

Dr. Tenma

Kristen Bell

Cora

Charlize Theron

'Our Friends' Narrator

Ryan Stiles

Mr. Moustachio, Burning Robot

Eugene Levy

Orrin

Donald Sutherland

President Stone

Bill Nighy

Dr. Elefun, Robotsky

David Alan Grier

Mr. Squirt, Math Cowboy, Boxer Robot

Alan Tudyk

Mr. Squeegee, Scrapheap Head, Stinger Two

Newell Alexander

General Heckler

Bob Logan

Stinger One

Dee Bradley Baker

Trashcan

Moises Arias

Zane

Sterling Beaumon

Sludge

Madeline Carroll

Widget

Matt Lucas

Sparx

David Bowers

Mike the Fridge