Jovan Adepo (Leroy Hanlon), Amanda Christine (Ronnie Grogan), James Remar (General Francis Shaw), Mikkal Karim Fidler (Teddy Uris), Chris Chalk (Dick Hallorann), Kimberly Guerrero (Rose), Matilda Lawler (Marge Truman), Joshua Odjick (Taniel), Bill Skarsgard (Pennywise), Clara Stack (Lilly Bainbridge)