Leigh Whannell
Born
January 17, 1977 (48 years old)
Known For
Writing
Place of Birth
Melbourne, Australia
Leigh Whannell (/ˈli ˈwɑːnɛl/; born 17 January 1977) is an Australian filmmaker and actor. He has written multiple films that were directed by his friend James Wan, including Saw (2004), Dead Silence (2007), Insidious (2010), and Insidious: Chapter 2 (2013). Whannell made his directorial debut with Insidious: Chapter 3 (2015) and has since directed three more films, Upgrade (2018), The Invisible Man (2020) and Wolf Man (2025).
Whannell and Wan are the creators of the Saw franchise. Whannell wrote the first installment, co-wrote the second and third installments, was the producer or executive producer for all the films, and appeared as the Adam Stanheight character in three of the installments. He was also the writer of the Saw video game (2009) and co-writer of the film Cooties (2014).
Description above from the Wikipedia article Leigh Whannell, licensed under CC-BY-SA, full list of contributors on Wikipedia.

Wolf Man
Dan (voice)
2025

Insidious: The Red Door
Specs
2023

Director’s Journal: Making The Invisible Man
Self
2020

Aquaman
Cargo Pilot
2018

Insidious: The Last Key
Specs
2018

78/52
Self
2017

Keep Watching
Matt
2017

The Bye Bye Man
Larry Redmon
2017

Game Changer: The Legacy of Saw
Self
2015

Lavalantula
Darren
2015

Insidious: Chapter 3
Specs
2015

Cooties
Doug
2014

The Mule
Gavin Ellis
2014

Insidious: Chapter 2
Specs
2013

Raze
Security Guard
2013

The Pardon
Clement Moss
2013

Crush
David
2013

The Debt Collector
Donovan
2012

Dick Elves
Larry
2011

Insidious
Specs
2011

Saw 3D
Adam Stanheight (archive footage) (uncredited)
2010

Legend of the Guardians: The Owls of Ga'Hoole
Jatt (voice)
2010

The Last Supper
Phillip
2009

Doggie Heaven
Neil
2008

Not Quite Hollywood
Self
2008

Dying Breed
Matt
2008

30 Even Scarier Movie Moments
Himself · (2 episodes)
2007

Death Sentence
Spink
2007

The Making of Dead Silence
Self
2007

Making of Saw III
Self
2007

Saw III
Adam Stanheight
2006

Full Disclosure Report
Adam Faulkner-Stanheight
2005

Saw II
Adam Stanheight (voice) (uncredited)
2005

Hacking Away at Saw
Self
2005

Saw
Adam Faulkner-Stanheight
2004

One Perfect Day
Chris
2004

Saw
David
2003

Razor Eaters
Nick D.
2003

The Matrix Reloaded
Axel
2003

The Referees
Footy Mate
2003

The PhanDom Menace
Self
2002

Stygian
Clown / Punk Kid
1998

Recovery
Self · (16 episodes)
1996

Blue Heelers
Jared Ryan · (2 episodes)
1993