天马博士的儿子因意外丧生,悲痛的他制造了一个与儿子一模一样的机器人来排解忧伤,但发现机器人无法成长的事实后愤然将其卖给了马戏团,这个机器人就是阿童木。苦难中的阿童木被科学家茶水博士收留并被赋予了新的能力,阿童木化身为正义与和平的守护者,与恶势力战斗。
Freddie Highmore
Astro / Toby (voice)
Kristen Bell
Cora (voice)
Nathan Lane
Hamegg (voice)
Eugene Levy
Orrin (voice)
Matt Lucas
Sparx (voice)
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)