Gugu Mbatha-Raw

Character: Abbie

Michiel Huisman

Character: Sam

Steve Coogan

Character: Mitch

Timothy Simons

Character: Dominic

Jacki Weaver

Character: Estelle

Kate McKinnon

Character: Glass Half Full Kate

Christopher Walken

Character: Myron

Zach Cherry

Character: Jim

Jessie Ennis

Character: Melanie

Glenn Fleshler

Character: Mean Phil

Zabryna Guevara

Character: Dr. Michaelson

Brian Tyree Henry

Character: Benji

Rick Holmes

Character: Dr. Kessler

Alanna Masterson

Character: Sally

Gayle Rankin

Character: Mira

Erin Richards

Character: Amber

Tami Sagher

Character: Meryl

Tamara Tunie

Character: Jane

Merritt Wever

Character: Mindy

Alyssa Cheatham

Character: Young Abbie

Celeste O'Connor

Character: Teen Abbie

Zachary Hernandez

Character: Young Sam

Sawyer Barth

Character: Teen Sam

Michael Gaston

Character: Crochet Master

Angelo Anthony Pizza

Character: Blonde Kid

Vanessa Carrasco

Character: Naughty Kid

Edan Alexander

Character: Cute Little Kid

Alexa Tropper

Character: Awkward Girl

Grace Rex

Character: Interviewee