Astro Boy— Full Cast

Freddie Highmore

as Astro / Toby (voice)

Kristen Bell

as Cora (voice)

Nathan Lane

as Hamegg (voice)

Eugene Levy

as Orrin (voice)

Matt Lucas

as Sparx (voice)

Bill Nighy

as Dr. Elefun / Robotsky (voice)

Donald Sutherland

as President Stone (voice)

Charlize Theron

as "Our Friends" Narrator (voice)

Nicolas Cage

as Dr. Tenma (voice)

Madeline Carroll

as Widget (voice)

Sterling Beaumon

as Sludge (voice)

Samuel L. Jackson

as Zog (voice)

David Alan Grier

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

Alan Tudyk

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

Newell Alexander

as General Heckler (voice)