Astro Boy

Charlize Theron

vypravěčka (mluví

Freddie Highmore

Astro Boy (mluví)

Ryan Stiles

pan Moustachio / robot (mluví)

Eugene Levy

Orrin (mluví)

Nicolas Cage

Dr. Tenma (mluví)

Donald Sutherland

prezident Stone (mluví)

Bill Nighy

Dr. Elefun (mluví)

David Alan Grier

pan Squirt / Kovboj / Robot (mluví)

Alan Tudyk

pan Squeegee (mluví)

Newell Alexander

General Heckler (voice)

Dee Bradley Baker

Trashcan (mluví)

Kristen Bell

Cora (mluví)

Moises Arias

Zane (mluví)

Sterling Beaumon

Madeline Carroll

Matt Lucas

David Bowers

Elle Fanning

Nathan Lane

Samuel L. Jackson

Maryann Garger

Tiffany L. Kurtz

David Feiss

Nicholas Guest

Max Burkholder

Victor Bonavida

Steve Alterman

Rif Hutton

Pilar Flynn

Tony Matthews

David Bowers

Osamu Tezuka

David Bowers

Timothy Harris

Osamu Tezuka

David Bowers

Freddie Highmore

Nicolas Cage

Bill Nighy

Donald Sutherland

Eugene Levy

Madeline Carroll

Nathan Lane

John Ottman

Robert Anich

Francis Kao

Cecil Kramer

Ken Tsumura

Pilar Flynn

Maryann Garger

Ken Tsumura