Bill Skarsgård Pennywise
Finn Wolfhard Young Richie Tozier
Jessica Chastain Beverly Marsh
Stephen King Shopkeeper, Novel
James McAvoy Bill Denbrough
Bill Hader Richie Tozier
Sophia Lillis Young Beverly Marsh
Jaeden Martell Young Bill Denbrough
James Ransone Eddie Kaspbrak
Brent Jones Stunts
Jack Dylan Grazer Young Eddie Kaspbrak
Ryan Kiera Armstrong Victoria Fuller
Jake Weary Webby
Thomas J. O'Connell ADR Mixer
Jeremy Ray Taylor Young Ben Hanscom
Jackson Robert Scott Dead Georgie
Jay Ryan Ben Hanscom
Marty P. Ewing Executive Producer, Unit Production Manager
Marco Bianco Stunts
Andy Muschietti Director, Pharmacy Customer (uncredited)
Isaiah Mustafa Mike Hanlon
Peter Bogdanovich Peter - Director
Owen Teague Dead Hockstetter
Luke Roessler Dean
Jason Fuchs Richie's Manager, Co-Producer, Screenplay
Jess Weixler Audra Phillips
Randy K. Singer Foley Mixer
Javier Botet Hobo / The Witch
Sarah Craig McEathron Makeup Department Head
Bill R. Dean Supervising Sound Editor
Xavier Dolan Adrian Mellon
Tom Woodruff Jr. Makeup Designer
Richard 'Rico' Emerson Key Grip
Barbara Muschietti Producer
Wyatt Oleff Young Stanley Uris
Megan Charpentier Young Gretta
Nicholas Hamilton Young Henry Bowers
Shane B. Scott Script Supervisor
Debbie Williams Costumer
John C. Stuver Dialogue Editor, ADR Editor
Alec Gillis Makeup Designer
Paul D. Austerberry Production Design
Dawn M. Stoliar First Assistant Editor
Andy Bean Stanley Uris
Bruce Tanis Sound Effects Editor
Stephen Bogaert Alvin Marsh
Checco Varese Director of Photography
Will Beinbrink Tom
Steve 'Shack' Shackleton Stunts
Sonia Maria Chirila Fishtank Girl
Alex Armbruster Stunts
Rich Delia Casting
Neil Crone Chief Borton
Stephanie Gorin Local Casting
Michael Keller Sound Re-Recording Mixer
James Binkley Stunts
Nancy Nugent Title Supervising Sound Editor
Chosen Jacobs Young Mike Hanlon
Katherine Rose Foley Artist
Janet Porter Richie's Mom
Brooke Lyndon-Stanford Visual Effects Supervisor
Catherine Harper Foley Artist
Juno Rinaldi Gretta
Teach Grant Henry Bowers
Gary Dauberman Screenplay, Executive Producer
Derek Barnes Stunts
Michelle Pazer ADR Editor, Dialogue Editor
Richard Brener Executive Producer
Seth Grahame-Smith Executive Producer
Ari Cohen Stanley's Dad
Nick Alachiotis Stunts
Matt Birman Stunts