What are some of your favorite movies that most mainstream audiences haven't seen, but would probably love if they did?

Here’s some of mine:

Snowpiercer (2013)
Animal Kingdom (2010)
Shadow of a Doubt (1943)
A Prophet (2009)
The Secret of Kells (2009)
The Spectacular Now (2013)
Safety Not Guaranteed (2012)
Robot & Frank (2012)
In a World… (2013)
All is Lost (2013)
Mud (2012)
Win Win (2011)