An Invisible Sign

Mona Gray is a 20-year-old loner who, as a child, turned to math for salvation after her father became ill. As an adult, Mona now teaches the subject and must help her students through their own crises.

Top Cast

Jessica Alba

Mona Gray

Bailee Madison

Young Mona

J.K. Simmons

Mr. Jones

Chris Messina

Ben Smith

Sônia Braga

Mom