Olivia Hussey

Olivia Hussey (April 17, 1951 – December 27, 2024) was an Argentine-British actress best known for her roles as Juliet in Romeo and Juliet, Jess Bradford in Black Christmas, Norma Bates in Psycho IV: The Beginning and Audra in Stephen King's It. Description above from the Wikipedia article Olivia Hussey, licensed under CC-BY-SA, full list of contributors on Wikipedia.
Cast

Death on the Nile
Rosalie Otterbourne

Three Priests
Rachel

Shame, Shame, Shame
The Therapist

Romeo and Juliet
Juliet

Headspace
Dr. Karen Murphy

Psycho IV: The Beginning
Norma Bates

Virus
Marit

The Man with Bogart's Face
Elsa

Ice Cream Man
Nurse Wharton

All the Right Noises
Val

Black Christmas
Jess

An Audience with Mel Brooks
Self (uncredited)

Mother Teresa of Calcutta
Mother Teresa

Turkey Shoot
Chris Walters

Ivanhoe
Rebecca

Summertime Killer
Tania Scarlotti

Tortilla Heaven
Petra

The Lord Protector
The Voice of the Ancients

Quest of the Delta Knights
The Mannerjay

Black Christmas Legacy
Self (archive footage)

The Cat and the Canary
Cicily Young

Lost Horizon
Maria

US Against the World
Self

H-Bomb
Erica

Our World
Self
Distortions
Amy Marks

Island Prey
Catherine Gaits

The Gardener
Mrs. Carter

The Battle of the Villa Fiorita
Donna

The Corsican Brothers
Annamarie de Guidice

El Grito
Unknown

Dead Man's Island
Rosie, the housemaid

The Bastard
Alicia

Save Me
Gail

Undeclared War
Rebecca Ecke

The Jeweller's Shop
Thérèse

The Pirate
Leila

Social Suicide
Mrs. Coulson

The Psycho Legacy
Self

Railroad to Hell: A Chinaman's Chance
Mrs. Duncan

The Crunch
Mrs Ken's Daughter

Cup Fever
Jinny

The 12 Days of Black Christmas
Self

The Calls Are Coming from Inside
Jess