IMDB Link: https://www.imdb.com/title/tt7286456/
Starred by Joaquin Phoenix. It apparently also Zazie Beets (Deadpool 2).
For non-spoilers, please check out the Official Movies thread.
viewtopic.php?f=236&t=59086
For general spoilers discussions, please check out the Movies Spoilers thread.
viewtopic.php?f=236&t=59026
Teaser Trailer