Question: Who was the director of the 2009 British thriller film starring the actor who is best known for playing Robert Crawley in "Downtown Abbey"?

Context paragraphs:
Dan Stevens: Daniel Jonathan "Dan" Stevens (born 10 October 1982) is an English actor.  He is best known for his role as Matthew Crawley in the ITV acclaimed period drama series "Downton Abbey".  He also starred as David in the thriller film "The Guest", Sir Lancelot in "", and as The Beast/Prince in Walt Disney's live action adaptation of "Beauty and the Beast".  Since 2017 he stars as David Haller in the FX series "Legion".

Hugh Bonneville: Hugh Richard Bonneville Williams (born 10 November 1963), known professionally as Hugh Bonneville, is a British stage, television and film actor.  He is best known for playing Robert Crawley in the ITV period drama series "Downton Abbey" from 2010 until 2015, and has been nominated for BAFTA, Emmy and Golden Globe awards.

Jack Said: Jack Said is a 2009 British thriller film, the prequel to "Jack Says".  It is written by Paul Tanter, and based on his graphic novel, illustrated by Oscar Alvarado.  It stars Danny Dyer, David O'Hara, Simon Phillips, Ashlie Walker, Terry Stone and snooker player Jimmy White.

Burlesque Fairytales: Burlesque Fairytales is a 2009 British thriller film written and directed by Susan Luciani set in a fictional 1930s London theatre starring an ensemble cast led by Benedict Cumberbatch, Lindsay Duncan and Jim Carter.  The film's premiere was held at Seattle's True Independent Film Festival on 7 June 2009.

Cuckoo (2009 film): Cuckoo is a 2009 British thriller film starring Laura Fraser, Richard E. Grant, Tamsin Greig, Antonia Bernath and Adam F, set in London, UK.  It was created, written, and directed by Richard Bracewell and produced by Richard and Tony Bracewell.  The film was cast by Dan Hubbard of the Hubbard casting family and scored by Bafta-nominated composer Andrew Hewitt.

Dark Nature: Dark Nature is a 2009 British thriller film written by Eddie Harrison, directed by Marc de Launay, and starring Niall Greig Fulton, Vanya Eadie and Imogen Toner.  Shot on a small budget, it was filmed in the Scottish Highlands from September to October 2008 before receiving a limited cinematic showing in 2009.  The film went on to be released on DVD and Blu-ray in the United Kingdom and the United States in May 2010.

Knife Edge (film): Knife Edge is a 2009 British thriller film directed by Anthony Hickox and starring Natalie Press, Hugh Bonneville and Tamsin Egerton.

Rough Shoot: Rough Shoot, also known as Shoot First, is a 1953 British thriller film starring Joel McCrea and Evelyn Keyes, and featuring Herbert Lom, Marius Goring and Roland Culver.  It was directed by Robert Parrish and written by Eric Ambler, based on the 1951 novel "A Rough Shoot" by Geoffrey Household.

Heathen (film): Heathen is a 2009 British thriller film directed by Ross Shepherd.  It tells the story of William Hunt, a reclusive railway worker, who suddenly finds himself on the trail of his missing brother, when he is sent mysterious clues relating to his disappearance.  Shot in the city of Brighton, "Heathen" is a no budget film.

Iron Cross (film): Justice/Vengeance (also known as Iron Cross in the United States) is a 2009 British thriller film.  The film was written and directed by British film director Joshua Newton.  It stars Roy Scheider, in his final film after he died in February 2008 before his filming was completed.  The film was shot in 2007, production completed in 2008, had a preview showing in 2009, premiered at the 26th Boston Film Festival in 2010, and had a limited release in 2011.

Supporting paragraphs: Knife Edge (film) Hugh Bonneville
Answer: Anthony Hickox