Mason Thames

Finney

Madeleine McGraw

Gwen

Ethan Hawke

The Grabber

Jeremy Davies

Terrence

E. Roger Mitchell

Detective Wright

Troy Rudeseal

Detective Miller

James Ransone

Max

Miguel Mora

Robin

Rebecca Clarke

Donna

J. Gaven Wilde

Moose

Spencer Fitzgerald

Buzz

Jordan Isaiah White

Matty

Brady Ryan

Matt

Tristan Pravong

Bruce

Jacob Moran

Billy

Brady Hepner

Vance

Banks Repeta

Griffin

Kristina Arjona

Mrs. Fulgrim

Sheila M. O'Rear

Principal Keller

Kellan Rhude

Patrolman

Gina Jun

Bruce's Mother

Dashiell Derrickson

Jackass #1

Braxton Alexander

Jackass #2

Reagan Shumate

Teen Girl #1

Bay Allebach

Teen Girl #2

Robert Fortunato

Patrolman #2

Chris TC Edge

Fireman

Mark Riccardi

Umpire

Mike Bailey

Bruce's Father

Luca De Massis

Policeman (uncredited)