Alex Lawther

Billy Bloom

Ian Nelson

Flip

AnnaSophia Robb

Blah Blah Blah

Celia Weston

Florence

Abigail Breslin

Lynette

Bette Midler

Muv

Larry Pine

William

Christopher Dylan White

Bernard

Willa Fitzgerald

Tiffany Tarbell

Michael Park

Principal Onnigan

John McEnroe

Coach Carter

Mickey Sumner

Dr. Veronica Vickers

Wally Dunn

Mr. Reamer

Marceline Hugot

Mrs. Monusky

Charlotte Ubben

Sesame

Olli Haaskivi

Tour Guide

Laverne Cox

Felicia Watts

Anatasiya Garvey

Katya

Eddie Schweighardt

Young Billy

Daniel Bellomy

Bo-Bo