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An Invisible Sign (2010)

PG-13

96 min | Comedy, Drama, Family

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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.

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Cast	+ Add Cast
34 cast members

Name	STARmeter	Known for
Jessica Alba Mona Gray Mona Gray See fewer	Top 5000	Fantastic Four (I) (2005)
Chris Messina Ben Smith Ben Smith See fewer	Top 5000	Away We Go (2009)
Sônia Braga Mom (as Sonia Braga) Mom (as Sonia Braga) See fewer	Members only	Dona Flor and Her Two Husbands (1976)
John Shea Dad Dad See fewer	Members only	Mutant X (2001)
J.K. Simmons Mr. Jones Mr. Jones See fewer	Top 5000	Whiplash (2014)
Sophie Nyweide Lisa Venus Lisa Venus See fewer	Members only	Noah (2014)
Bailee Madison Young Mona Young Mona See fewer	Top 5000	Bridge to Terabithia (2007)
Marylouise Burke Ms. Gelband Ms. Gelband See fewer	Members only	I Love You Phillip Morris (2009)
Ashlie Atkinson Lisa's Aunt Lisa's Aunt See fewer	Members only	BlacKkKlansman (2018)
Crystal Bock Panida Saleswoman Panida Saleswoman See fewer	Members only	Burn After Reading (2008)
Mackenzie Milone Ann DiGanno Ann DiGanno See fewer	Members only	Everybody's Fine (2009)
Ian Colletti Danny O'Mazzi Danny O'Mazzi See fewer	Members only	Phoebe in Wonderland (2008)
Jake Siciliano Elmer Gravlaki Elmer Gravlaki See fewer	Members only	The Taking of Pelham 123 (2009)
Stephanie DeBolt Ellen Ellen See fewer	Members only	Celebrity Ghost Stories (2008)
Joanna Adler Lisa's Mom Lisa's Mom See fewer	Top 5000	American Crime Story (2016)
Donovan Fowler Levan Beeze Levan Beeze See fewer	Members only	Treehouse 1:8 - On the Wilderness Trail (2017)
Emerald-Angel Young Rita Williams Rita Williams See fewer	Members only	Law Abiding Citizen (2009)
Daniel Pearce Danny's Dad Danny's Dad See fewer	Members only	Salt (2010)
Sharon Washington Levan's Mom Levan's Mom See fewer	Members only	Die Hard with a Vengeance (1995)
Daniel McDonald Runny Nose Boy Runny Nose Boy See fewer	Members only	My Inspired World (2018)
Ian Blackman Ann's Dad Ann's Dad See fewer	Members only	Hail, Caesar! (2016)
Jill Abramovitz Ann's Mom Ann's Mom See fewer	Members only	BrainDead (2016)
Lori Hammel Danny's Mom Danny's Mom See fewer	Members only	Burn After Reading (2008)
Conor Carroll 5th Grader 5th Grader See fewer	Members only	Ender's Game (2013)
Brandon Jeffers Science Kid #1 Science Kid #1 See fewer	Members only	Extremely Loud & Incredibly Close (2011)
Daniel Dugan Attorney Attorney See fewer	Members only	More Coffee (2003)
Blythe Auffarth Candy Striper Candy Striper See fewer	Members only	Keeping the Faith (2000)
Marin Gazzaniga Hostess Hostess See fewer	Members only	Like So Many Things... (2009)
Bill Coelius Movie Patron #1 Movie Patron #1 See fewer	Members only	Taking Woodstock (2009)
Tom Nonnon Doctor Doctor See fewer	Members only	Pride and Glory (2008)
Lilly Hartley Female Runner Female Runner See fewer	Members only	The Queen of Versailles (2012)
Renee Fishman hospital staff nurse (as Renee Fishman RN) hospital staff nurse (as Renee Fishman RN) See fewer	Members only	Sister Italy (2012)
Kevin Fung Kevin (uncredited) Kevin (uncredited) See fewer	Members only	Wilderness (2008)
Gracie Lopez Gracie (uncredited) Gracie (uncredited) See fewer	Members only	All Is Bright (2013)