Who directed the film that has a character acted by  Bill Istvan Günther Skarsgård and is based on the 1986 novel of the same name by Stephen King?
Bill Skarsgård Bill Istvan Günther Skarsgård (born 9 August 1990) is a Swedish actor and model, known for his roles in "Simple Simon", "Hemlock Grove", "Atomic Blonde" and Pennywise the Dancing Clown in the 2017 film "It".
A Killing Affair (1986 film) A Killing Affair is a 1986 drama film starring Peter Weller, Kathy Baker, John Glover, Bill Smitrovich and Danny Nelson. The screenplay was written by David Saperstein ("Cocoon").