Jessica Chastain Beverly Marsh
Finn Wolfhard Young Richie Tozier
Bill Skarsgård Pennywise
James McAvoy Bill Denbrough
Bill Hader Richie Tozier
Sophia Lillis Young Beverly Marsh
Jaeden Martell Young Bill Denbrough
Stephen King Shopkeeper, Novel
James Ransone Eddie Kaspbrak
Luke Roessler Dean
Jake Weary Webby
Jack Dylan Grazer Young Eddie Kaspbrak
Xavier Dolan Adrian Mellon
Jay Ryan Ben Hanscom
Javier Botet Hobo / The Witch
Ryan Kiera Armstrong Victoria Fuller
Andy Muschietti Director, Pharmacy Customer (uncredited)
Isaiah Mustafa Mike Hanlon
Wyatt Oleff Young Stanley Uris
Peter Bogdanovich Peter - Director
Megan Charpentier Young Gretta
Chosen Jacobs Young Mike Hanlon
Nicholas Hamilton Young Henry Bowers
Jess Weixler Audra Phillips
Barbara Muschietti Producer
Jeremy Ray Taylor Young Ben Hanscom
Owen Teague Dead Hockstetter
Louise Stratten Audra's Assistant
Jackson Robert Scott Dead Georgie
Andy Bean Stanley Uris
Amanda Zhou Waitress
Teach Grant Henry Bowers
Stephen Bogaert Alvin Marsh
Roy Lee Producer
Jason Fuchs Richie's Manager, Co-Producer, Screenplay
Juno Rinaldi Gretta
Janet Porter Richie's Mom
Gary Dauberman Screenplay, Executive Producer
Roberto Campanella Choreographer
Catherine Harper Foley Artist
Tom Woodruff Jr. Makeup Designer
Jeremy Gillespie Graphic Designer
Ari Cohen Stanley's Dad
Will Beinbrink Tom
Matt Birman Stunts
Molly Atkinson Myra / Sonia Kaspbrak
Joan Gregson Mrs. Kersh
Kelly Van der Burg Victoria's Mom
Joe Bostick Mr. Keene
Seth Grahame-Smith Executive Producer
Edie Inksetter Shouting Kid's Mom
Jake Sim Belch Huggins
Billy Merasty Shokopiwah Man
Stephen R. Hart Shokopiwah Man
Neil Crone Chief Borton
Michelle Pazer ADR Editor, Dialogue Editor
John C. Stuver Dialogue Editor, ADR Editor
Amy Szoke Stunts
Anthony Ulc The Butcher
Alec Gillis Makeup Designer
Taylor Frey Don Hagarty
Rich Delia Casting
Sondra Treilhard Key Hair Stylist
Thomas J. O'Connell ADR Mixer
Logan Thompson Victor Criss
Shane Vieau Set Decoration
Brandon Crane Big Guy
Vanessa Galvez Digital Intermediate Producer
Vanzie Meyer Audience Member (uncredited)
Liam MacDonald Dean's Friend
James Binkley Stunts
Geoff Scovell Stunts