Kodi Smit-McPhee

Norman Babcock (voice)

Tucker Albrizzi

Neil Downe (voice)

Anna Kendrick

Courtney Babcock (voice)

Casey Affleck

Mitch Downe (voice)

Christopher Mintz-Plasse

Alvin (voice)

Leslie Mann

Sandra Babcock (voice)

Jeff Garlin

Perry Babcock (voice)

Elaine Stritch

Grandma Babcock (voice)

Bernard Hill

Judge Hopkins (voice)

Jodelle Ferland

Aggie Prenderghast (voice)

Tempestt Bledsoe

Sheriff Hooper (voice)

Alex Borstein

Mrs. Henscher (voice)