Mark Donald Steger (born January 16, 1962) is an American actor, performance artist, and choreographer. He is known for Stranger Things (2016), Scary Stories to Tell in the Dark (2019) and The Pact (2012).
In a small town in Massachusetts, a group of friends, fascinated by the internet lore of the Slender Man, attempt to prove that he doesn't actually exist - until one of them mysteriously goes missing.
