J.K. Simmons and Chris Messina (Vicky Cristina Barcelona) are set to join Jessica Alba in the whimsical fable An Invisible Sign of My Own.

According to The Hollywood Reporter, Marilyn Agrelo's Amelie-style indie follows the transformation of a sheltered, math-obsessed teacher when a new science teacher arrives at her school.

Jana Edelbaum, Lynette Howell and screenwriters Pam Falk and Mike Ellis are producing the iDeal Partners Film/Silverwood Films production.

No production date has been set.

An Invisible Sign was released May 6th, 2011 and stars Jessica Alba, J.K. Simmons, Bailee Madison, Chris Messina, Sonia Braga, Blythe Auffarth, John Shea, Ashlie Atkinson. The film is directed by Marilyn Agrelo.