SmartAnswer

Smart answer:

After reading 1594 websites, we found 6 different results for "Who wrote Saw IV"

Patrick and Marcus

Patrick and Marcus are the writers of SAW IV, SAW V, SAW VI and the 7th and final SAW movie, SAW

Source links:

ShareAnswer
source
source

Confidence Score

the same team of writers (Marcus Dunstan and Patrick Melton)

and I’ve been eagerly awaiting Saw VI for several years, as it was announced that the same team of writers (Marcus Dunstan and Patrick Melton) would write Saw IV, V and VI and that Saw VI would effectively be the conclusion to the series (all be the series that Twisted Pictures have since said that they’ll make as many Saw films as the fans demand), but, in this case, the series seems like Saw VI was indeed written to be a bit of a wrap-up.

Source links:

ShareAnswer
source
source

Confidence Score

Patrick Melton and Marcus Dunstan

Patrick Melton and Marcus Dunstan wrote the films Saw IV, Saw V, Saw VI and SAW 3D, as well as The Collector, The Collection and Piranha 3DD.

Source links:

ShareAnswer
source
source

Confidence Score

Melton and Dunstan

Melton and Dunstan have a long horror resume, writing Saw IV, Saw V, Saw VI, and Saw VII, in addition to the Feast franchise, 2009's The Collector, and Dunstan's 2012 follow-up The Collection.

Source links:

ShareAnswer
source
source

Confidence Score

Dunstan and Melton, who came into the national spotlight for their winning screenplay Feast on Project Greenlight’s third season

Dunstan and Melton, who came into the national spotlight for their winning screenplay Feast on Project Greenlight’s third season, have been shepherding the Saw franchise for the past three installments, having written Saw IV, V and the upcoming Saw VI.

Source links:

ShareAnswer
source
source

Confidence Score

by Leigh Whannell

The original Saw was written by Leigh Whannell who also plays Adam and was directed by James Wan.

Source links:

ShareAnswer
source
source

Confidence Score