Kathryn Hahn

Rachel Biegler

Paul Giamatti

Richard Grimes

Molly Shannon

Cynthia Grimes

Denis O'Hare

Dr. Dordick

Maddie Corman

Liz

John Carroll Lynch

Charlie Grimes

Siobhan Fallon Hogan

Beth

Gabrielle Reidy

Clinic Nurse #3

Kayli Carter

Sadie Barrett

Desmin Borges

Sam

Hettienne Park

Female Doctor

Tracee Chimo

Caroline

Alyssa Cheatham

Caroline's Daughter

Kelly Miller

Dr. Russell

Danny Deferrari

Jonathan

Kerry Flanagan

Receptionist

Emily Robinson

Charlotte Grimes

Tamara Jenkins

Director

Samantha Buck

Psychologist

Fenton Lawless

Uncle Bob

Amaya Press

Trick or Treat Girl

Francesca Root-Dodson

Fiona

Caroline Martin

Clinic Nurse

Katrine Hoyt

Nurse with Devil Horns (uncredited)

Gabrielle Reid

Clinic Nurse #1