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).
Miles Upshur is a young photographer working in the big city, one day his buddy lets him in on a scoop, an old asylum is rumored to have experienced haunting sin the past few weeks. Miles goes to the asylum only to discover inmates are still occupying the place, as well as an angry spirit only referred to as the Wallrider. Miles really has to dig deep in order to escape.