As the protagonist is haunted by nightmares caused by the events of first two movies, he decides to kill Slender Man to end the nightmare once and for all.
Where to Watch Mystery of Slender Man 3
Cast of Mystery of Slender Man 3
Sergey A.Sergey Alexandrov
Dmitry ChmelyovGovnar' Mikhail
Ivan LachanceIvan
Viktor MurzikovNewscaster
Andrey GromovGhost
Alexander MirokhanovPoliceman
Evgeniy MishukhinMan with camera
Sergey PromzinskiyMan in Skype #2
Georgy RashoevMan in forest
Oksana VeselukhinaOksana's ghost
Yaroslav ZaytsevMan in Skype #1
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