Obsazení

• 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 / It
• 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
• Molly Atkinson — Sonia Kasprak
• Steven Williams — Leroy Hanlon
• Elizabeth Saunders — Mrs. Starret
• Megan Charpentier — Gretta Keene
• Joe Bostick — Mr. Keene
• Ari Cohen — Rabbi Uris
• Anthony Ulc — Joe the Butcher
• Javier Botet — The Leper
• Janet Porter — Stanley's Mother
• Neil Crone — Chief Borton
• Katie Lunman — Betty Ripsom
• Edie Inksetter — Hostess