Poltergeist 1 & 2 (1982, 1986)
Spielberg-Hooper directorial credit complications. Foundational suburban horror cinema.
Actor: Zelda Rubinstein
Zelda Rubinstein played the medium in the Poltergeist films, delivering the line about the house being clean, and was four feet three. She was a laboratory technician before acting and became an early AIDS awareness campaigner in Los Angeles.