Nightbreed (1990)
Set up as the fall guy in a string of slasher murders, Boone decides he'll hide by crossing the threshold that separates "us" from "them" and sneak into the forbidden subterranean realm of Midian.
Actors: Craig Sheffer, Anne Bobby, David Cronenberg, Charles Haid, Hugh Quarshie, Hugh Ross, Doug Bradley, Catherine Chevalier, Malcolm Smith, Bob Sessions
Country: United States of America