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

Rocco Poveromo

Chief of Police

Kellan Rhude

Patrolman

Gina Jun

Bruce's Mother

Ryan Cronan

Young Bruce

Dashiell Derrickson

Jackass #1

Braxton Alexander

Jackass #2

Reagan Shumate

Teen Girl #1

Bay Allebach

Teen Girl #2

Andrew Farmer

Teammate #1

T. Maxwell Martin

Teammate #2

Ron Blake

EMT

Robert Fortunato

Patrolman #2

Chris TC Edge

Fireman

Mark Riccardi

Umpire

Megan Petersen

Math Teacher

Mike Bailey

Bruce's Father

Christine Connelly

School Office Lady

Matthew Simmons

Adult Volunteer

Parrish Stikeleather

Mr. Hopkins

Luca De Massis

Policeman (uncredited)

Veronica Russell

EMT