Jaeden Martell
Bill Denbrough
Sophia Lillis
Beverly Marsh
Jack Dylan Grazer
Eddie Kaspbrak
Finn Wolfhard
Richie Tozier
Jeremy Ray Taylor
Ben Hanscom
Wyatt Oleff
Stanley Uris
Chosen Jacobs
Mike Hanlon
Bill Skarsgård
Pennywise
Jackson Robert Scott
Georgie Denbrough
Nicholas Hamilton
Henry Bowers
Stephen Bogaert
Mr. Marsh
Stuart Hughes
Officer Bowers
Owen Teague
Patrick Hockstetter
Molly Atkinson
Sonia Kasprak
Jake Sim
Belch Huggins
Logan Thompson
Victor Criss
Katie Lunman
Betty Ripsom
Geoffrey Pounsett
Zach Denbrough
Pip Dwyer
Sharon Denbrough
Steven Williams
Leroy Hanlon
Elizabeth Saunders
Mrs. Starret
Megan Charpentier
Gretta
Joe Bostick
Mr. Keene
Ari Cohen
Rabbi Uris
Anthony Ulc
Joe the Butcher
Javier Botet
Hobo
Carter Musselman
Headless Boy
Tatum Lee
Judith
Edie Inksetter
Hostess
Martha Gibson
Old Woman
Kasie Rayner
Field Hockey Girl #1
Isabelle Nélisse
Girl in Bathroom
Jocelyn Mattka
Another Girl
Donald Tripe
Old Man in Car
Liz Gordon
Old Woman in Car
Paige Rosamond
Dead Girl #1
Neil Crone
Chief Borton
Sonia Gascón
Mrs. Ripsom
Janet Porter
Stanley's Mother
Memo Díaz Capt.
4th of July Clown
Chantal Vachon
Girl in Magazine
Roberto Campanella
Organ Player Clown
Cyndy Day
Pharmacy Cashier (uncredited)
David Katzenberg
El Aparato (uncredited)
Bobby Leigh
Jonathan (uncredited)
Kate Moyer
Esther (uncredited)
Sherry Nelson
Woman on Street (uncredited)
Kelly Van der Burg
Abigail (uncredited)