Lily Collins as Ellen

Keanu Reeves as Dr. William Beckham

Carrie Preston as Susan

Lili Taylor as Judy

Alex Sharp as Luke

Liana Liberato as Kelly

Brooke Smith as Olive

Leslie Bibb as Megan

Kathryn Prescott as Anna

Ciara Bravo as Tracy

Maya Eshet as Pearl

Lindsey McDowell as Kendra

Retta as Lobo

Joanna Sanchez as Rosa

Alanna Ubach as Karen

Hana Hayes as Chloe

Michael B. Silver as Dr. Weiner

Rebekah Kennedy as Penny

Dana L. Wilson as Margo

Don O. Knowlton as Jack

Karen Zahler as Grace

Leann Lei as Waitress

Yindra Zayas as Anorexic Patient

Lauren Jenna as Rehab Patient

Ronnie Clark as Older Man

Ani Sava as Nice looking woman

Valerie Palincar as Mother