Susan Sarandon and Richard Dreyfuss have signed onto the comedic thriller "Leaves of Grass" for Nu Image/Millennium Film says The Hollywood Reporter.

Edward Norton plays twin brothers, one an Ivy League philosophy professor, the other a small-time and brilliant marijuana grower. The professor is lured back to his Oklahoma hometown for a doomed scheme against a local drug lord (Dreyfuss) that unravels his life.

Sarandon plays the brothers' eccentric mother, while Keri Russell is also in negotiations to come on board as a love interest. Lucy DeVito and Steve Earle are also in the cast.

Actor-turned-filmmaker Tim Blake Nelson penned and will direct the $10-14 milllion project in which he plays the best friend to one of the brothers.

Shooting is scheduled to begin September 22nd in Shreveport, Louisiana.