Astro Boy

David Alan Grier as Mr. Squirt / Math Cowboy / Boxer Robot (voice) David Feiss as Cowboy Robot (voice) Freddie Highmore as Astro / Toby (voice) Nicolas Cage as Dr. Tenma (voice) Moisés Arias as Zane (voice) David Bowers as Mike the Fridge (voice) Nicholas Guest as French Waiter Robot (voice) Pilar Flynn as Cora's Mom (voice) Madeline Carroll as Widget (voice) Elle Fanning as Grace (voice) Kristen Bell as Cora (voice) Matt Lucas as Sparx (voice) Sterling Beaumon as Sludge (voice) Alan Tudyk as Mr. Squeegee / Scrapheap Head / Stinger Two (voice) Donald Sutherland as President Stone (voice) Samuel L. Jackson as Zog (voice) Ryan Stiles as Mr. Moustachio / Burning Robot (voice) Max Burkholder as Billy (voice) Eugene Levy as Orrin (voice) Newell Alexander as General Heckler (voice) Tiffany Hillkurtz as Bride to Be (voice) Rif Hutton as Metro City Sergeant (voice) Nathan Lane as Hamegg (voice) Bill Nighy as Dr. Elefun / Robotsky (voice) Charlize Theron as "Our Friends" Narrator (voice) Dee Bradley Baker as Trashcan (voice)

Luis Grané Character Designer Paul Brizzi Story Artist Osamu Tezuka Author John Ottman Original Music Composer Makoto Tezuka Creative Consultant Elizabeth Ito Story Artist David Bowers Director, Story, Screenplay Richard L. Anderson Supervising Sound Editor Colin Brady Additional Writing Jun Falkenstein Story Artist Pablo Calvillo Layout Pilar Flynn Line Producer Gaëtan Brizzi Story Artist David Feiss Story Artist Linda Lamontagne Casting