Question: Hwang Geum-hee's most notable work is a critically acclaimed horror film that premiered in which festival ?

Context paragraphs:
George P. Cosmatos: George Pan Cosmatos (4 January 1941 – 19 April 2005) was a Greco-Italian film director and screenwriter.  Following early success in his home country with drama films such as "Massacre in Rome" with Richard Burton (based on the real-life Ardeatine massacre), Cosmatos retooled his career towards mainstream 'blockbuster' action and adventure films, including "The Cassandra Crossing" and "Escape to Athena", both of which were British-Italian co-productions.  After relocating to North America, he directed the horror film "Of Unknown Origin".  This was followed by some of his best-known work, including the action films "" and "Cobra" (both of which star Sylvester Stallone), the science-fiction horror film "Leviathan", and the critically acclaimed Western "Tombstone".

Bedevilled (2010 film): Bedevilled (; lit.  "The Whole Story of the Kim Bok-nam Murder Case") is a 2010 South Korean horror/thriller film starring Seo Young-hee and Ji Sung-won.  The film premiered as an official selection of International Critics' Week at the 2010 Cannes Film Festival.

Hwang Geum-hee: Hwang Geum-hee (born August 20, 1977) is a South Korean actress.  Previously known by her stage name Ji Sung-won, Hwang began using her real name professionally in August 2013.  Her most notable work is the critically acclaimed horror film "Bedevilled" (2010).

Jocelin Donahue: Jocelin Donahue (born November 8, 1981) is an American actress.  She is best known for her lead role in Ti West's critically acclaimed horror film "The House of the Devil", winning Best Actress at the 2009 LA Screamfest, and for playing a young version of Barbara Hershey's character in "".

Peter Richardson (filmmaker): Peter Richardson is an American documentary film director.  A native of Philomath, Oregon, Richardson is a 1998 graduate of Philomath High School and attended University of Notre Dame on a scholarship.  After graduating from Notre Dame with a Bachelor of Arts degree in Film Production & Theory, Richardson moved to Los Angeles where he worked for a short time at a publicity company before moving back to Oregon to start work on his first film.  Richardson has directed two award-winning feature documentaries.  His first film, "" debuted at the 2006 Sundance Film Festival.  The film was later aired on the Sundance Channel.  Richardson's second film, "How to Die in Oregon", premiered on January 23 at the 2011 Sundance Film Festival.  In addition to directing the film, Richardson also acted as cinematographer, editor, and producer on "How to Die in Oregon".  The critically acclaimed film went on to win the Grand Jury Prize in the US Documentary competition.  The film premiered on HBO on May 26, 2011.  Richardson was the cinematographer on Irene Taylor Brodsky's documentary short film, "Saving Pelican 895", which aired on HBO on April 20, 2011.

Garry Roost: Garry Roost (also credited as Gary Roost) is an English actor.  In 2008, he played Alan Daniels in the BBC soap opera "EastEnders" "The Day Today", "Black Books Episodes".  He has also appeared in episodes of "The Bill", "Doctors" and "London's Burning", amongst others.Roost's theatre credits include: "Short of Mutiny", Theatre Royal Stratford East, Citizens Theatre Glasgow, Birmingham Rep, Hull Truck, Arts Theatre London, West Yorkshire Playhouse.Roost also brought a controversial subject to the stage and was critically acclaimed as Jimmy Savile in How's About That Then?  Solo Show Edinburgh Festival 2012 at The Gilded balloon.  Roost is touring his new play 'Pope Head' [The Secret Life of Francis Bacon] by Garry Roost Directed by Paul Garnault Music: Matthew Williams Eddie Gray, premiering at Edinburgh Festival 2014.  The 2015 east coast tour of Australia; Newcastle, Goulburn, Melbourne, Canberra, Sydney and Brisbane has been critically acclaimed.  "Roost delivers in spades..." Scenestr.  Appearing in conversation with Richard Fidler ABC Brisbane.  Pope Head is published by 49 Knights Independent Publishing House, Edinburgh, 26 March 2015.  Pope Head returns to Edinburgh 2015 at Summerhall after a mini UK tour.

Neil Marshall: Neil Marshall (born 25 May 1970) is an English film director, editor and screenwriter.  Marshall began his career in editing and in 2002 directed his first feature film "Dog Soldiers", a horror-comedy film which became a cult film.  He followed up with the critically acclaimed horror film "The Descent" in 2005.  Marshall also directed "Doomsday" in 2008, and wrote and directed "Centurion" in 2010.  He has also directed two prominent episodes of US television series "Game of Thrones": "Blackwater" and "The Watchers on the Wall", with particular acclaim for his direction on both occasions, as well as a nomination for a Primetime Emmy Award for Outstanding Directing for a Drama Series for "The Watchers on the Wall".

Bold Films: Bold Films is an American independent film production and finance company.  Bold was founded in 2004 with the mission of producing talent-driven, studio-quality films, which have worldwide commercial appeal.  Bold's first three films were "Slingshot", "Come Early Morning" and "Mini's First Time".  In 2006 the company had its first hit, producing and financing the Golden Globe-nominated period piece "Bobby", written and directed by Emilio Estevez.  In 2009 Bold produced and released Joe Dante's 3D thriller "The Hole", which Roger Ebert called the best use of 3D ever.  In 2010 Bold had its first major studio film "Legion", which was co-financed and released by Screen Gems, a division of Sony Pictures Entertainment.  In 2011 Bold co-produced and co-financed with OddLot Entertainment the critically acclaimed "Drive" starring Ryan Gosling and Carey Mulligan, for which director Nicolas Winding Refn won the Best Director Award at the Cannes Film Festival while also receiving accolades from the BAFTA Awards, The Golden Globes and Academy Awards.  In 2014 the company garnered worldwide recognition for producing and financing the critically acclaimed films "Nightcrawler" starring Jake Gyllenhaal, and "Whiplash" with Blumhouse Productions, which received five Academy Award nominations, including Best Picture.  Other awards nominations for the film include the Spirit Awards, PGA Awards, SAG Awards, and WGA Awards.

Moon Geun-young: Moon Geun-young (; born May 6, 1987) is a South Korean actress.  Affectionately called the "Nation's Little Sister," Moon began modeling at the age of 10, then made her acting debut in 1999 as a child actress.  She first rose to stardom through her role as the young Eun-suh in the hugely popular television drama series "Autumn in My Heart" (2000), followed by a well-received turn in Kim Jee-woon's critically acclaimed horror film "A Tale of Two Sisters" (2003).  Moon solidified her star status by headlining the box-office hits "My Little Bride" (2004) and "Innocent Steps" (2005).  At age 21, she became the youngest recipient of a Grand Prize ("Daesang") which she won at SBS Drama Awards for the television series "Painter of the Wind" (2008).

Jeff Ellis (recording engineer): Jeff Ellis (born July 16, 1984) is an American recording engineer and mix engineer.  His most notable work was featured on both of Frank Ocean's critically acclaimed albums: Channel ORANGE and Blonde

Supporting paragraphs: Hwang Geum-hee Bedevilled (2010 film)
Answer: the 2010 Cannes Film Festival