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

Stephen Nakamura Digital Intermediate Colorist William Conrad Editorial Services Stephen King Novel Vincent Rother Stunts Dan Lin Producer Tom Woodruff Jr. Makeup Effects Designer Jennifer Murray Stunts Richard Brener Executive Producer Jamie Jones Stunt Coordinator Roberto Campanella Choreographer Walter Hamada Executive Producer Alec Gillis Makeup Effects Designer Rich Delia Casting Toby Emmerich Executive Producer Neil Davison Stunts Kelly Jones Stunt Coordinator Brent Jones Stunts Chase Palmer Screenplay Tim Williams Conductor Jeremy Gillespie First Assistant Art Direction Chad Camilleri Stunts Gary Dauberman Screenplay Steven Kostanski Makeup Artist Aj Risi Stunts Roy Lee Producer Claude Paré Production Design Chung Chung-hoon Director of Photography Jason Ballantine Editor Benjamin Wallfisch Original Music Composer Andy Muschietti Director Seth Grahame-Smith Producer Christina Pitts Jazzar Associate Choreographer Barbara Muschietti Producer Cary Joji Fukunaga Screenplay Michael Keller Sound Re-Recording Mixer