In a small town in Massachusetts, four high school girls perform a ritual in an attempt to debunk the lore of Slender Man. When one of the girls goes mysteriously missing, they begin to suspect that she is, in fact, his latest victim.
Hallie
Wren
Chloe
Slender Man
Katie
Tom
Lizzie
Hallie's Mom
Hallie's Dad
Mr. Jensen
Kyle
Biology Teacher
Boy with Glasses
Burley Kid
Doctor
Librarian
Nurse
Student
Tour Guide
High School Student (uncredited)
Police Officer (uncredited)
Calculus Teacher (uncredited)
Jock (uncredited)
Student (uncredited)
Cheerleader (uncredited)
Student (uncredited)
