![An Invisible Sign Poster](https://image.tmdb.org/t/p/w500//w5bSVpGnqL2XDG22ddubcD9ik5U.jpg)
An Invisible Sign
51.57%
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October 6, 2010
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Family, Drama, Romance, Comedy
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.
Featured Crew
Marilyn Agrelo
Director
Pamela Falk
Screenplay
Michael Ellis
Screenplay
Cast
![Jessica Alba](https://image.tmdb.org/t/p/w300//tyZ2r0tiPtTkE2udDEVbNXnMV4v.jpg)
Jessica Alba
Mona Gray
![Bailee Madison](https://image.tmdb.org/t/p/w300//xHCGVBuWuHcw65DxQRMVO9NYUZ6.jpg)
Bailee Madison
Young Mona
![J.K. Simmons](https://image.tmdb.org/t/p/w300//ScmKoJ9eiSUOthAt1PDNLi8Fkw.jpg)
J.K. Simmons
Mr. Jones
![Chris Messina](https://image.tmdb.org/t/p/w300//l9DbQTK5pI6SOGpmfbADGLhdOYS.jpg)
Chris Messina
Ben Smith
![Sônia Braga](https://image.tmdb.org/t/p/w300//8NqF8pH836rfSlcI4ipmPH1NL2g.jpg)
Sônia Braga
Mom