Darby Stanchfield

Nina Locke

Connor Jessup

Tyler Locke

Emilia Jones

Kinsey Locke

Jackson Robert Scott

Bode Locke

Petrice Jones

Scot Cavendish

Kevin Durand

Frederick Gideon

Sherri Saum

Ellie Whedon

Brendan Hines

Josh Bennett

Coby Bird

Rufus Whedon

Asha Bromfield

Zadie Wells

Kevin Alves

Javi

Eric Graise

Logan Calloway

Joe Hill

Paramedic #1

Aaron Ashmore

Duncan Locke (voice)

Griffin Gluck

Gabe

Hallea Jones

Eden Hawkins (archive footage)

Laysla De Oliveira

Echo / Dodge

Jesse Camacho

Doug Brazelle

Tom Savini

Locksmith

Ken Pak

Mark Cho

Kaleb Horn

Gilles

Josette Jorge

Bernadette

Kyle Hodgson

Younger Tyler

Kayla DeSouza

Younger Kinsey

Bill Heck

Rendell Locke

Nicole Stamp

Nurse Ruth

Steven Williams

Joe Ridgeway

Steven Love

Chad Garland

Charlotte Tavares

Lindsey Lesser

Isai Rivera Blas

Randolph (uncredited)

Joy Tanner

Erin Voss

Ellen Olivia Giddings

Young Kim Topher

Sabrina Saudin

Young Ellie Whedon

Owen Ois

Young Duncan Locke

Genevieve Kang

Jackie Veda

Kolton Stewart

Brinker Martin

Felix Mallard

Lucas Caravaggio

Alexander Elliot

Neighbourhood Kid #1

Tara Nicodemo

Mrs. Lafferty

André Dae Kim

Young Mark Cho

Thomas Mitchell Barnet

Sam Lesser

Andre Colquhoun

Hapless Caterer

Chai Valladares

Coast Guard #1

Nick Dolan

Young Rendell Locke

Nathaniel McParland

Bully Kid

Gabriel Mattka

Neighbourhood Kid #2

Tyler Malazo

Neighbourhood Kid #3

Ashton Cressman

5 Year Old Gordie

Jessie Behan

Gordie's Mother

Michael Therriault

Gordie Shaw

Lindsey Atherton

Young Eden

Nicole James

Young Erin Voss

Aidan Shaw

Young Jeff Ellis

Kaeleb Zain Gartner

Young Gordie

Martin Roach

Detective Daniel Mutuku

Gianpaolo Venuta

Officer Roberts

Maya Misaljevic

Molly

Carson MacCormac

Benjamin Locke (uncredited)

Matilda Legault

Memory Kinsey

Bobby Brown

Prison Guard

Douglas E. Hughes

Liquor Store Clerk

Michael Mast

Museum Guard

MJ Miller

Waitress

Andrew Ahmed

Hipster Dude

Matthew James Garlick

Police Clerk

Jason Gosbee

Prison Guard

Vincenzo Ruggieri Calvano

Standing High School Student (uncredited)

Erica Pickering

Kinsey's Fear Monster (uncredited)

Thomas Mitchell

Randy Lesser

Shaun Shetty

Biology Teacher

Chris Farquhar

Great Gustave

Leslie Adlam

Infirmary Nurse

Erika Nonato

Dorm Girl

Milton Barnes

Brian

Wade Bogert O'Brien

Captain Crais

Jesse Buck

Wilson

Joy Castro

Woman

Brett Houghton

Karl

Matt Jensen

Coast Guard #2

Chloe Avakian

Miranda

Chris Britton

Chamberlin Locke

Cody Crain

Fisherman

Ed Pinker

Howe

Ian Lake

James Bolton

Jenny Young

Rosemary Locke

Joanne Boland

Cindy

Kalie Hunter

Mannequin #5

Karl Ang

Doctor

Liyou Abere

Jamie Bennett

Maher El Hares

Theatre Patron (uncredited)

Sonia Dhillon Tully

Paula