The Devil’s Trap (1970)

In the quiet nighttime corridors of a city hospital, Abigail (Nistratova) consoles her traumatized brother, Billy (Davi) who is now a paraplegic. Billy suffers from horrible nightmares in which he revisits his childhood, where we meet his alcoholic and violent father. Sharing Billy’s hospital room is a dying man, Mr. Cohen (Dern) who seems to know everything about Billy and Abigail. There’s also another horrific presence roaming in the hospital terrifying patients and staff alike.