"Not You" Rounds Out Cast

Loretta Devine, Ali Larter, and Jason Ritter have signed on to star in George C. Wolfe's film adaptation of author Michelle Wildgen's novel"You're Not You" says THR.

Emmy Rossum plays an aimless and self-absorbed college student whose life is changed when she takes a part-time job caring for a woman (Hilary Swank) with ALS or Lou Gehrig's disease.

Devine will play another Als patient who becomes friends with Swank's character, while Larter will play Swank's best friend. Ritter is portraying a man vying for the affections of the college student, along with another man (Julian McMahon).

Marcia Gay Harden is co-starring as Rossum's mother, while Frances Fisher is set to play Swank's mom. Ernie Hudson will play the husband of Devine's character.

Josh Duhamel will co-star

Jordan Roberts and Shana Feste wrote the adapted screenplay

Swank, Molly Smith, Denise Di Novi and Alison Greenspan are producing the film.

Production begins later this week in Los Angeles