An Invisible Sign
- Godina: 2010
- Zemlja: United States of America
- Žanr: Family, Drama, Romance, Comedy
- Studio: Ideal Partners, J2 Pictures, Silverwood Films
- Ključna riječ: mathematician, elementary school, math teacher, scientist, woman director
- Direktor: Marilyn Agrelo
- Uloge: Jessica Alba, Bailee Madison, J.K. Simmons, Chris Messina, Sônia Braga, John Shea