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Jaeden Martell Bill Denbrough Jeremy Ray Taylor Ben Hanscom Sophia Lillis Beverly Marsh Finn Wolfhard Richie Tozier Chosen Jacobs Mike Hanlon Jack Dylan Grazer Eddie Kaspbrak Wyatt Oleff Stanley Uris Bill Skarsgård Pennywise Nicholas Hamilton Henry Bowers Jake Sim Belch Huggins Logan Thompson Victor Criss Owen Teague Patrick Hockstetter Jackson Robert Scott 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 Ari Cohen 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)