Nicole Kidman as Romy

Harris Dickinson as Samuel

Antonio Banderas as Jacob

Esther-Rose McGregor as Isabel

Sophie Wilde as Esme

Vaughan Reilly as Nora

Victor Slezak as Mr. Missel

Leslie Silva as Hazel

Gaite Jansen as Hedda / Scarlett

Robert Farrior as Brack / Stephen

Bartley Booz as Tom

Anoop Desai as Robert

Mary Ann Lamb as Hannah

Gabrielle Policano as Mary

Gabriela Torres as Intern

Izabel Mar as Intern

Max O'Herlihy as Intern

Michael Kirchmann as Ari

Mareau Hall as Raver

Dolly Wells as Therapist

Tess McMillan as Ophelia

Skyler Matthews as Girl

Molly Price as Mrs. Holbrook

Maxwell Whittington-Cooper as Josh

Maryann Urbano as Mother