Bill Denbrough (as Jaeden Lieberher)
Ben Hanscom
Beverly Marsh
Richie Tozier
Mike Hanlon
Eddie Kaspbrak
Stanley Uris
Pennywise
Henry Bowers
Belch Huggins
Victor Criss
Patrick Hockstetter
Georgie Denbrough
Mr. Marsh
Officer Bowers
Zach Denbrough
Sharon Denbrough
Sonia Kaspbrak (as Molly Jane Atkinson)
Leroy Hanlon
Mrs. Starret
Gretta
Mr. Keene
Rabbi Uris
Joe the Butcher
Hobo
Betty Ripsom
Headless Boy
Judith
Hostess
Old Woman
Field Hockey Girl #1
Girl in Bathroom
Another Girl
Old Man in Car (as Don Tripe)
Old Woman in Car
Dead Girl #1
Chief Borton
Mrs. Ripsom
Stanley's Mother
4th of July Clown (as Memo Díaz Capt)
Girl in Magazine
Organ Player Clown
Off-Camera Singer (uncredited)
Pharmacy Cashier (uncredited)
El Aparato (uncredited)
Jonathan (uncredited)
Student (uncredited)
Esther (uncredited)
Woman on Street (uncredited)
Man In Car (uncredited)
Abigail (uncredited)
Girl on Street (uncredited)