Mark StegerMark 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).FilmografieThe Mortuary Assistant (2026)400 Days (2015)The Diabolical (2015)At the Devil's Door (2014)The Pact (2012)