Flashback

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.

Cast

Dylan O'Brien

Fred Fitzell

Hannah Gross

Karen

Emory Cohen

Sebastian

Keir Gilchrist

Andre

Maika Monroe

Cindy Williams

Liisa Repo-Martell

Mrs. Fitzell

Amanda Brugel

Evelyn

A.C. Peterson

Mr. MacDonald

Aaron Poole

Pierced Man

Maika Harper

Tattooed Woman