Steve Coogan

Mitch

Brian Tyree Henry

Benji

Kate McKinnon

Glass Half Full Kate

Michiel Huisman

Sam

Christopher Walken

Myron

Jacki Weaver

Estelle

Tamara Tunie

Jane

Timothy Simons

Dominic

Gugu Mbatha-Raw

Abbie

Michael Gaston

Crochet Master

Merritt Wever

Mindy

Bess Wohl

Executive Producer

Celeste O'Connor

Teen Abbie

Zabryna Guevara

Dr. Michaelson

Glenn Fleshler

Mean Phil

Erin Richards

Amber

Brian O'Shea

Executive Producer

Alyssa Cheatham

Young Abbie

Jessie Ennis

Melanie

Rick Holmes

Dr. Kessler

Nat McCormick

Executive Producer

Zach Cherry

Jim

Giovanna Trischitta

Executive Producer

Sawyer Barth

Teen Sam

Zachary Hernandez

Young Sam

Tami Sagher

Meryl

Gayle Rankin

Mira

Alanna Masterson

Sally

Stephanie Laing

Director

Christie Colliopoulos

Executive Producer