An Invisible Sign 2010
5.3
IMDB
5.3
IMDB
Mona Gray is a 20-year-old loner who turned to math for salvation as a child after her father became ill. As an adult she now teaches the subject and helps her students through their own crises.
Jessica Alba
Chris Messina
Sonia Braga
John Shea
J.K. Simmons
Marilyn Agrelo