Tye Sheridan as Andy

Jeff Goldblum as Dr. Wallace Fiennes

Hannah Gross as Susan

Denis Lavant as Jack

Udo Kier as Frederick

Eléonore Hendricks as Grace

Annemarie Lawless as Vivian

Margot Klein as Peggy

Larry Fessenden as Meals

Alyssa Bresnahan as Claire

Billy Thomas Myott as Orderly

Laura Stisser as Woman Getting Out of Car

Magdalyn Donnelly as Skater Mom

Sonia Conlin as Asylum Patient

Scott Matheny as Psychiatrist

Buddy Duress as Philip Farmer

Mike D Harris as Diner Patron (uncredited)

Adam Daveline as Hospital Doctor

Dannielle Rose as Asylum Patient (uncredited)