Bailee Madison

Lily Carbo

Casey Dubois

Josh

Alisen Down

Jill Carbo

David Orth

Henry Carbo

Lucia Walters

Leah

Helen Pahou

Rachel

Olivia Steele-Falconer

Katie

Megan Charpentier

Julia

Britt Irvin

Temporary Guardian

Dalila Bela

Jealous Girl

Uriah Shelton

Pete

Debby Ryan

Stephani Howard

Sarah Dugdale

Taylor Turner

Kacey Rohl

Adriana

Karin Konoval

Mrs. Biazevich

Jodelle Ferland

Alice

Robert Capron

Marty

Sarah-Jane Redmond

Janet

Laine MacNeil

Kayla

Nicholas Elia

Ari

C. Ernst Harth

Older Jimmy Jeffries

Sam Dulmage

Driver Clown

Ty Olsson

Steve

Jake Cherry

Christopher

Thomas Robinson

Timmy

Stacy Grant

Janice

Kurt Evans

Donald

Nicholas W. von Zill

Handyman

Brendan Meyer

Will Johnston

Matt Angel

Jake Skinner

Tiera Skovbye

Anna

Samuel Patrick Chu

Chang

Bryce Hodgson

Travis

Manoj Sood

Mr. Sadigh

Matt Mazur

Outcast

Michael Fenske

Jock #1

Bobby Forrester

Jock #2

John F. Kennedy

Self (archive footage)

Barack Obama

Self (archive footage)

Connor Price

Brandon Carbo

Gabrielle Rose

Doll Maker

Lissa Neptuno

Lily's Beautician

Paul Herbert

Doctor

Emma Karwandy

Bratty Girl

Nicole Leduc

Nice Girl

Neill Fearnley

Security Guard (uncredited)

Cainan Wiebe

Mark

Rachel Pattee

Becky

Dale Gillespie

Santa

Madeline Carroll

Jillian

Ingrid Torrance

Mom

Richard Harmon

Caleb

Dan Payne

Green-Eyed Wolf

Linda Tomassone

Jamie

Eve Harlow

Nicole

Emmanuelle Vaugier

Abigail

Ryan McDonell

Zack

Elise Gatien

Stella

Matthew Mylrea

Ballroom Dancer

Emma Grabinsky

Lauren

Jason Spevack

Mark

Lauren K. Robek

Alice Clairborne

Marcus Hondro

Wormy Ghost

Darren Moore

Headless Ghost

Bobby Coleman

Jeffrey

Gina Holden

Anna

Cameron Bancroft

Sean

Cruze Hurley

Chuck

Calum Worthy

Kelly

AJ Lutsky

Gooch

Johnny Ji

Sean

Brandon Jay McLaren

Major Mayhem

Diana Sadat

Mika

Elias Brown

Teenager

Rob Hayter

Zombie in House

Lani Gelera

Zombie Businesswoman

Kye Walstrom

Zombie Paperboy

Mike Desabrais

Zombie Mechanic

Jeremy Dangerfield

Zombie Old Man

Fraser Aitcheson

Zombie Body Builder

Kimani Ray Smith

Zombie Hipster

David Sobolov

Game Announcer (voice) (uncredited)

Grayson Russell

Walt

Bal Nagra

Tim

Jess McLeod

Bonnie

Matthew Knight

Greg

Ninon Parent

Alien Bonnie

Matt Phillips

Alien Greg

Nico McEown

Dwayne

June B. Wilde

Mrs. Baxter

Geoff Redknap

Alien (puppet)

Ariel Winter

Jenny

Quinn Lord

Jack

Matthew Walker

Grandpa George

Christopher Heyerdahl

Collector

Catherine Lough Haggquist

Penelope

Jeny Cassady

Crazy Lady

Nolan Gould

Jack Pierce

Cris Cochrane

Cheeky

Darren Rizzolo

Mitch

Anne Openshaw

Jack's Mom

Julia Sarah Stone

Sally

David Richmond-Peck

Mr. Franklin

Kelly-Ruth Mercier

Zmombie

Madison Pettis

Julie

Ricardo Hoyos

Bill

Ian Crane

Robb

James Alan Hartley

Six-Year-Old Chris

Sean Mathieson

Finch

Samantha Page

Danica

Chelah Horsdal

Chris' Mom

Ben Immanuel

Chris' Dad

Mike Kovac

Kaptain Krazee

David Benedict Brown

Party Clown

Jeffrey Kaiser

Red-Haired Clown

Annette Devick

Short Clown

Dar Therrien

Jayden

S. Siobhan McCarthy

Clown in Car (uncredited)

Mitch Duffield

Reggie

Robert Moloney

Charles

Anne Marie DeLuise

Donna

Julian LeBlanc

Billy

Reg Tupper

Judge

Xantha Radley

Mrs. Wodark

Frances Flanagan

Librarian

Andrew Kavadas

Constantine

Rhys Johnson

Blue Collar Driver

Robin Mossley

Postie

Gerald Paetz

Kreamy Cold Ice Cream Truck (uncredited)

Booboo Stewart

Kai

Patrick Gallagher

Lonny

MacKenzie Porter

Alexa

Anthony Konechny

Cameron MacIntyre

Drew Ray Tanner

Michael

Jakob Davies

Pat

Meredith McGeachie

Instructor

Isabelle Landry

Mother

Kai Donily

Young Kai

Lori Sandnes

Shark (puppeteer)

James Rowley

Shark (puppeteer)

Gabriel Basso

Teddy

Jeffrey Ballard

Sean

Madison Desjarlais

Haley

Linden Banks

Dr. Sturgis

Sheila D. Baker

Old Woman Ghost

Simon Chin

Brute

Matt Heindl

Man

Crystal Balint

Woman

Nick Purcha

Unimpressed Kid

Gregg Sulkin

Matt

Landon Liboiron

Josh

Sonya Salomaa

Mom

William deVry

Dad

Adam DiMarco

Mike

Michael Jonsson

Lab Coat

Benita Ha

P.E. Teacher

Walcott E. Morgan

Security Guard

Liam Fearnley

Technician

Jean-Luc Bilodeau

Eric

Eva Bourne

Hanna

Isis Wright

Mary

Brenna O'Brien

Samantha

Tyler Johnston

Tyler

Karis Cameron

Amber

Jodi Balfour

Mary (voice)

Jessyka Finnøy

Mary's Face #4

Jody Thompson

Marla

Katherine Ramdeen

Keeper

Rachel Roskell

Mary's Face #1

Chiara Guzzo

Mary's Face #2

Alexandra Kaczynski

Mary's Face #3