Sissy Spacek

Mommy / Mama / Mom / Natasha

Anna Chlumsky

Elizabeth Martin

Aaron Michael Metchik

Jeremy Martin

Asher Metchik

Harry Martin

Merritt Yohnka

Mr. Leeby, the Principal

André Roussimoff

Circus Giant

Maureen Stapleton

Mrs. Cavour, the Gardener

Sean MacLaughlin

Edward, the Mommy-Market Manager