Watch: Sarah Silverman Self-Destructs In The First Trailer For Acclaimed Sundance Drama 'I Smile Back'

Brace yourself to reassess your assumptions about funny woman Sarah Silverman. Yes, she's made her name at being an unflinchingly honest and caustic comedienne, and it's not unfair to say she paved the way for Amy Schumer's brand of comedy and success. While she did play a small dramatic supporting role in Sarah Polley's excellent 2012 drama, "Take This Waltz," you've never seen Silverman quite as raw and vulnerable as she is in the upcoming Sundance breakout film, "I Smile Back."

READ MORE: Spotlight On Sarah Silverman At The 38th Mill Valley Film Festival

Written by Amy Koppelman (the wife of screenwriter and podcaster Brian Koppelman) and Paige Ryan, and directed by Adam Salky ("Dare"), "I Smile Back" centers on a woman on the verge of a breakdown and in the throes of a serious spiritual crisis that leads her to a string of self-destructive habits. The movie co-stars Josh Charles,Thomas Sadoski, Mia Barron, Terry Kinney and Chris...