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 Neil Crone Chief Borton Sonia Gascón Mrs. Ripsom Janet Porter Stanley's Mother Roberto Campanella Organ Player Clown Kate Moyer Esther (uncredited) Sherry Nelson Woman on Street (uncredited) Jimmy Star Man in Car (uncredited) Kelly Van der Burg Abigail (uncredited)