Emma Tremblay

Itsy

Jacob Buster

Calvin

Will Forte

Cyrus

Elizabeth Mitchell

Vera

Matt Biedel

Nelson

Hailey Smith

Wendy

Landry Townsend

Heather

Kenneth Cummins

Evan

Thomas Cummins

Young Calvin

Arvin Mitchell

Mr. Sterman

Pamela Beheshti

Waitress (uncredited)

Alireza Mirmontazeri

Diner (uncredited)