Frederick Fitzell is living his best life—until he starts having horrific visions of Cindy, a girl who vanished in high school. After reaching out to old friends with whom he used to take a mystery drug called Mercury, Fredrick realizes the only way to stop the visions lies deep within his own memories, so he embarks on a terrifying mental odyssey to learn the truth.
Dylan O'Brien
Hannah Gross
Emory Cohen
Keir Gilchrist
Maika Monroe
Liisa Repo-Martell
Amanda Brugel
A.C. Peterson
Aaron Poole
Maika Harper
Ian Matthews
Donald Burda
Myles Isen
Connor Smith
Leslie Adlam
Andrew Latter
Jill Frappier
Josh Cruddas
Conrad Bergschneider
Tracy Baker
Jackie English
Constantine Meglis
Elizabeth Osler
Prince Amponsah
Parker Antal
Emmet Antal
Landon Norris
Hershel Blatt
Sima Fisher