Matilda LawlerMarge Truman

Amanda ChristineRonnie Grogan

Clara StackLilly Bainbridge

Blake Cameron JamesWill Hanlon

Arian S. CartayaRich Santos

Miles EkhardtMatty Clements

Peter OuterbridgeClint Bowers

Mikkal Karim FidlerTeddy Uris

Jack Molloy LegaultPhil Malkin

Matilda LegaultSusie Malkin

Thomas MitchellColonel Fuller

Kimberly GuerreroRose

Joshua OdjickTaniel

Maya McNairPatty Stanton

Hannah StoreyRhonda Chambers

Maya MisaljevicElaine Morrison

Madeleine StoweIngrid Kersh

Taylour PaigeCharlotte Hanlon

Jovan AdepoLeroy Hanlon

James RemarGeneral Francis Shaw

Chris ChalkDick Hallorann

Stephen RiderHank Grogan

Shane MarriottReggie Davis

Dorian GreyLoverboy Jax

Alixandra FuchsTeresa Bainbridge

Bill SkarsgårdPennywise

Rudy MancusoCaptain Pauly Russo

Larry DayStanley Kersh

Liam Seamus MurphyMorris Bainbridge

Colton ClausePeter

Emma-Leigh CullumYoung Periwinkle

Richard WaltersAirman Jacobs

Andrew MorgadoLilly's Dad (voice)

Robert ClarkePrincipal Dunleavy

Tara KoehlerGeneral Shaw's Secretary

B. J. HarrisonLouella Grogan

Lindsay MerrithewCouncilman Tibbs

Grant NickallsWallace

Wayne Charles BakerChief John

Craig PorrittCarnival Barker

Lazzelle GeliasElderly Woman

Peter DeiwickAl Malkin

Stephen KingCharacters

Andy MuschiettiCreator & Executive Producer

Bárbara MuschiettiCreator & Executive Producer

Jason FuchsCreator & Executive Producer

David CoatsworthExecutive Producer

Dan LinExecutive Producer

Roy LeeExecutive Producer

Brad KaneExecutive Producer

Bill SkarsgårdExecutive Producer

Shelley MealsExecutive Producer