出演者一覧（47名）
ジェイデン・リーバハー
Bill Denbrough
Jeremy Ray Taylor
Ben Hanscom
Sophia Lillis
Beverly Marsh
フィン・ウルフハード
Richie Tozier
Chosen Jacobs
Mike Hanlon
Jack Dylan Grazer
Eddie Kaspbrak
ワイアット・オレフ
Stanley Uris
ビル・スカルスガルド
Pennywise
Nicholas Hamilton
Henry Bowers
Jake Sim
Belch Huggins
Logan Thompson
Victor Criss
オーウェン・ティーグ
Patrick Hockstetter
ジャクソン・ロバート・スコット
Georgie Denbrough
Stephen Bogaert
Mr. Marsh
Stuart Hughes
Officer Bowers
Geoffrey Pounsett
Zach Denbrough
Pip Dwyer
Sharon Denbrough
Molly Atkinson
Sonia Kaspbrak
Steven Williams
Leroy Hanlon
?
Elizabeth Saunders
Mrs. Starret
Megan Charpentier
Gretta
Joe Bostick
Mr. Keene
アリ・コーエン
Rabbi Uris
Anthony Ulc
Joe the Butcher
Javier Botet
Hobo
Katie Lunman
Betty Ripsom
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
?
David Katzenberg
El Aparato (uncredited)
Bobby Leigh
Jonathan (uncredited)
Kate Moyer
Esther (uncredited)
Jimmy Star
Man in Car (uncredited)
Kelly Van der Burg
Abigail (uncredited)