Leigh Whannell was born on January 17, 1977 in Melbourne, Australia. He is best known for writing films directed by his friend James Wan, including Saw (2004), Dead Silence (2007), Insidious (2011), and Insidious: Chapter 2 (2013). Whannell made his directorial debut on Insidious: Chapter 3, released in 2015. Whannell and Wan are the creators of the Saw franchise. Whannell wrote the first installment, co-wrote the second and third installments, was producer or executive producer for all the films, and appeared as the "Adam Stanheight" character in four of the installments. He was also the writer of the Saw video game (2009), and co-writer of the 2014 film Cooties.

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