All Cast

Madeline Carroll

Madeline Carroll

Widget (voice)

Freddie Highmore

Freddie Highmore

Astro Boy (voice)

Kristen Bell

Kristen Bell

Cora (voice)

Moisés Arias

Moisés Arias

Zane (voice)

Alan Tudyk

Alan Tudyk

Ronnie (voice)

Dee Bradley Baker

Dee Bradley Baker

Trashcan (voice)

Sterling Beaumon

Sterling Beaumon

Sludge (voice)

David Feiss

David Feiss

Testo (voice)