Cast

• Nathan Lane — Ham Egg (voice)
• Kristen Bell — Cora (voice)
• Bill Nighy — Dr. Elefun (voice)
• Donald Sutherland — General Stone (voice)
• Freddie Highmore — Astro Boy (voice)
• Eugene Levy — Orrin (voice)
• Sterling Beaumon — Sludge (voice)
• Samuel L. Jackson — Zog (voice)
• Alan Tudyk — Mr. Squeegee / Scrapheap Head / Stinger Two
• Nicolas Cage — Dr. Tenma (voice)
• Charlize Theron — Narrator
• David Alan Grier — Mr. Squirt / Math Cowboy / Boxer Robot
• Newell Alexander — General Heckler (voice)
• Elle Fanning — Grace (voice)
• Dee Bradley Baker — Trashcan (voice)
• Ryan Stiles — Mr. Moustachio/Burning Robot (voice)
• Matt Lucas — Sparx (voice)
• Madeline Carroll — Widget (voice)