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About Us

De Warrenne Pictures

We are an independent motion picture film production company based in Co. Tipperary, Ireland.

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The Talent

Who are we?

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Tom Waller

Producer/Director (Founder)

Born in Bangkok, Tom Waller is an award-winning filmmaker of Thai-Irish descent. Educated in the UK at the Northern Film School (PgDip/MA Film Production), he moved back to Thailand in 2003 to set up his production company De Warrenne Pictures (Thailand) Co. Ltd., now one of the country’s leading production service companies. Notable credits include indie films The Elephant King (2006), Soi Cowboy (2008) and Patong Girl (2014), as well as studio movies Ninja: Shadow of a Tear (2013) and Mechanic: Resurrection (2016). His acclaimed prison drama, The Last Executioner (2014), premiered in competition at the Shanghai International Film Festival, and subsequently won the Best Director award at the Dhaka International Film Festival. Most recently he wrote and directed The Cave (2019), which premiered at Busan Film Festival, the first narrative feature about the Thai Cave Rescue that captivated the world in the summer of 2018.

Katrina Grose

Writer/Producer (Partner)

Katy Grose is a former film and television actress in Thailand, having started work as a fashion model whilst still only a teenager. She has also been a radio DJ and guitarist in the rock band 'Venus Butterfly' under the SpicyDisc label. More recently she has been involved in film production, as an award-winning writer on Tom Waller's The Last Executioner (2014), and as a producer on The Cave (2019). Now based in Ireland, she is working on the development of a number of film and music projects.

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