Monster Summer

Mel Gibson

Gene Carruthers

Mason Thames

Noah Reed

Julian Lerner

Eugene Wexler

Abigail James Witherspoon

Sammy Devers

Noah Cottrell

Ben Driskel

Nora Zehetner

Abby Reed

Lorraine Bracco

Miss Halverson

Emma Fasano

Lilly Reed

Spencer Fitzgerald

Ronnie Harlow

Patrick Renna

Umpire

Ashley Rae Trisler

Witch

Gavin Bedell

Kevin Lampkey

Gary Weeks

Chief Hartley

Bobbi Baker

Hannah Driskel

Kelly Collins Lintz

Deb Harlow

Nico Tirozzi

Little Boy / Carruthers' Son

Lilah Pate

Ellie Evans

Kevin James

Edgar Palmer

Barbara Goodson

The Witch (voice)

Abrielle Josephine Cincotti

Emily

Nick Benas

Baseball Fan (uncredited)

Parker E. Chick

Town Kid (uncredited)

Sara Elizabeth Ezzell

Diner Patron / Pedestrian (uncredited)

Robert Fortunato

Police Officer (uncredited)

Keeley Kollmann

Mom with Kids (uncredited)

Samantha Miro

Jogger (uncredited)

Art Newkirk

Dad in Theater (uncredited)

Logan Newkirk

Book Signing Kid (uncredited)

Violet Berlus

Skip-It Girl

Lara Fontes

Lilly (voice)

Derrick Lemmon

TV News Reporter

Hannah Michelle

Pedestrian

Mary Clare Mitchell

Diner Patron

Lucretia Newkirk

Tourist

David Pascua

Police Officer

Veronica Russell

Baseball Spectator

Stacey Stewart

Carruthers' Wife

James Richard Wemmitt

Camera Man