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.

• 
  Christopher MacBride

• 
  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
• 
  Ian Matthews
  Vincent
• 
  Donald Burda
  Dr. Phillips
• 
  Myles Isen
  Fred at 6
• 
  Connor Smith
  Scarred Man
• 
  Leslie Adlam
  Female Cop
• 
  Andrew Latter
  12 Year Old Boy
• 
  Jill Frappier
  Mrs. Shouldice
• 
  Josh Cruddas
  Twenty Something Man
• 
  Conrad Bergschneider
  Male Teacher
• 
  Tracy Baker
  Dancer