Leigh Whannell (born January 17, 1977) is an Australian screenwriter, producer, director and actor who has primarily worked in the horror genre. He is best known for co-creating the "Saw" and "Insidious" franchises with James Wan.
Known For
Saw X
(2023)
Original Film Writer
Jigsaw
(2017)
Original Film Writer
Upgrade
(2018)
Writer
Insidious: The Red Door
(2023)
Characters and Story
Insidious: The Last Key
(2018)
Writer
Dead Silence
(2007)
Writer
Saw
(2004)
Writer and Story
Insidious
(2011)
Writer
The Invisible Man
(2020)
Screenplay
Saw II
(2005)
Screenplay and Original Film Writer
Insidious: Chapter 2
(2013)
Screenplay, Story, and Characters
Saw III
(2006)
Screenplay, Story, and Original Film Writer
Insidious: Chapter 3
(2015)
Writer and Characters
Saw 3D
(2010)
Original Film Writer
Spiral: From the Book of Saw
(2021)
Original Film Writer
Saw IV
(2007)
Original Film Writer
Full Filmography
Writing
Saw
(2003)
Screenplay
Saw
(2004)
Writer and Story
Saw II
(2005)
Screenplay and Original Film Writer
Saw: Rebirth
(2005)
Characters
Saw III
(2006)
Screenplay, Story, and Original Film Writer
The Scott Tibbs Documentary
(2006)
Characters
Dead Silence
(2007)
Writer
Saw IV
(2007)
Original Film Writer
Doggie Heaven
(2008)
Screenplay
Saw V
(2008)
Original Film Writer
Saw VI
(2009)
Original Film Writer
Saw 3D
(2010)
Original Film Writer
Insidious
(2011)
Writer
Insidious: Chapter 2
(2013)
Screenplay, Story, and Characters
Cooties
(2014)
Story and Writer
The Mule
(2014)
Writer
Insidious: Chapter 3
(2015)
Writer and Characters
Jigsaw
(2017)
Original Film Writer
Insidious: The Last Key
(2018)
Writer
Home Shopper
(2018)
Story
Upgrade
(2018)
Writer
The Invisible Man
(2020)
Screenplay
Spiral: From the Book of Saw
(2021)
Original Film Writer
Insidious: The Red Door
(2023)
Characters and Story
Saw X
(2023)
Original Film Writer
Saw XI
(2025)
Characters
Wolf Man
(2025)
Writer
Acting
Stygian
(1998)
Clown / Punk Kid
The PhanDom Menace
(2002)
Himself
The Matrix Reloaded
(2003)
Axel
Saw
(2003)
David
Razor Eaters
(2003)
Nick D.
Saw
(2004)
Adam Faulkner-Stanheight
One Perfect Day
(2004)
Chris
Saw II
(2005)
Adam Stanheight (voice) (uncredited)
Full Disclosure Report
(2005)
Adam Faulkner-Stanheight
Hacking Away at Saw
(2005)
Self
Saw III
(2006)
Adam Stanheight
Death Sentence
(2007)
Spink
The Making of Dead Silence
(2007)
Self
Dying Breed
(2008)
Matt
Doggie Heaven
(2008)
Neil
Not Quite Hollywood
(2008)
Self
The Last Supper
(2009)
Phillip
Legend of the Guardians: The Owls of Ga'Hoole
(2010)
Jatt (voice)
Saw 3D
(2010)
Adam Stanheight (archive footage) (uncredited)
Insidious
(2011)
Specs
Dick Elves
(2011)
Larry
The Debt Collector
(2012)
Donovan
Insidious: Chapter 2
(2013)
Specs
The Pardon
(2013)
Clement Moss
Crush
(2013)
David
Raze
(2013)
Security Guard
The Mule
(2014)
Gavin Ellis
Cooties
(2014)
Doug
Insidious: Chapter 3
(2015)
Specs
Lavalantula
(2015)
Darren
Game Changer: The Legacy of Saw
(2015)
Self
78/52
(2017)
Self
Keep Watching
(2017)
Matt
The Bye Bye Man
(2017)
Larry Redmon
Insidious: The Last Key
(2018)
Specs
Aquaman
(2018)
Cargo Pilot
Director’s Journal: Making The Invisible Man
(2020)
Self
Insidious: The Red Door
(2023)
Specs
Production
Saw
(2003)
Executive Producer
Saw II
(2005)
Executive Producer
Saw III
(2006)
Executive Producer
Saw IV
(2007)
Executive Producer
Saw V
(2008)
Executive Producer
Saw VI
(2009)
Executive Producer
Saw 3D
(2010)
Executive Producer
Cooties
(2014)
Executive Producer
Jigsaw
(2017)
Executive Producer
Upgrade
(2018)
Executive Producer
Insidious: The Last Key
(2018)
Producer
The Invisible Man
(2020)
Executive Producer
Spiral: From the Book of Saw
(2021)
Executive Producer
Insidious: The Red Door
(2023)
Producer
Saw X
(2023)
Executive Producer
Wolf Man
(2025)
Executive Producer
Saw XI
(2025)
Executive Producer
Directing
Insidious: Chapter 3
(2015)
Director
Upgrade
(2018)
Director
The Invisible Man
(2020)
Director
Wolf Man
(2025)
Director
Crew