Question: Catherine Walker, is an Irish actress, notable for British and Irish television appearances including which 2016 Irish independent horror film, written and directed by Liam Gavin and starring Steve Oram and Catherine Walker?

full_context: Document 1: A Dark Song: A Dark Song is a 2016 Irish independent horror film, written and directed by Liam Gavin and starring Steve Oram and Catherine Walker. It was released to select theatres and digital streaming platforms on 28 April 2017. It is Gavin's directorial debut and, although the public reception has been more mixed, it received a largely positive critical response.
Document 2: Simone Kirby: Simone Kirby is an Irish actress. She is probably best known for playing Oonagh in the Ken Loach film "Jimmy's Hall". Other credits include Irene O'Donnell in "Peaky Blinders" (2014), Marilyn Hull in "Notes on Blindness" (2016), Tyva Hightopp in "Alice Through The Looking Glass" (2016), Sr. Grace in "Houdini and Doyle" (2016), Maria Roche in "The Truth Commissioner" (2016), Annette Rane in "Clean Break" (2015), Tracey Moynihan in "Love/Hate" (2014) and Geraldine Grehan in the RTÉ series "Pure Mule". She co-wrote and performed in the RTÉ comedy sketch show "Meet Your Neighbours" in 2011 with P.J. Gallagher. She also appeared in "Season of the Witch" in 2011. On stage she appeared in "Dancing at Lughnasa" at The Old Vic, "Macbeth" at Shakespeare's Globe, "Molly Sweeney" at the Irish Rep in New York and Curve in Leicester, "Festen" at the Gate Theatre, "Mud" and "Cat on a Hot Tin Roof" with the Corn Exchange, Dublin, "Don Carlos" and "The Taming of the Shrew" with Rough Magic and "The Tinker's Wedding" under Garry Hynes for the Druid Theatre Company's DruidSynge. She also portrayed Nuala in "The Cavalcaders" under Robin Lefevre and Lady Teasle in "The School For Scandal" under Jimmy Fay at Dublin's Abbey Theatre.
Document 3: Steve Oram: Steve Oram is an English actor, comedian, writer, and filmmaker. He is known for his role in the 2012 film "Sightseers", which he also co-wrote.
Document 4: Catherine Walker (actor): Catherine Walker (born 1975 in Dublin) is an Irish actress, notable for British and Irish television appearances including "The Clinic" (2003–2009), "Northanger Abbey" (2007), "Bitter Sweet" (2008), "Critical" (2015) and "A Dark Song" (2016). More recently, she appeared as the character Scarron or Madame de Maintenon in series 2 of the TV series "Versailles".
Document 5: Sing Street: Sing Street is a 2016 musical coming-of-age comedy-drama film co-written, co-produced and directed by John Carney. Starring Ferdia Walsh-Peelo, Lucy Boynton, Maria Doyle Kennedy, Aiden Gillen, Jack Reynor, and Kelly Thornton, the story revolves around a boy starting a band to impress a girl in 1980s Ireland. It is an international co-production from Ireland, the United States, and United Kingdom.
Document 6: Camilla Luddington: Camilla Luddington (born December 15, 1983) is an English actress. She is known for her roles as Catherine Middleton in the Lifetime TV film "", and as Jo Wilson in the ABC medical drama "Grey's Anatomy". She provided the voice and motion capture work for Lara Croft in the 2013 video game "Tomb Raider" and its 2015 sequel "Rise of the Tomb Raider".
Document 7: Morfydd Clark: Morfydd Clark is a Welsh actress. She trained at The Drama Centre, London, leaving in her final term to play the title role in Saunders Lewis' play "Blodeuwedd" with Theatr Genedlaethol Cymru. She has appeared in "Violence and Son" at the Royal Court, as Juliet in "Romeo and Juliet" at the Crucible Theatre, Sheffield, and in "Les Liaisons Dangereuses" at the Donmar Warehouse. She played Frederica Vernon in Whit Stillman's film "Love & Friendship".
Document 8: Catherine Steadman: Catherine Steadman is an English actress, best known for playing Mabel Lane Fox in series 5 (2014) of ITV drama "Downton Abbey". She also played Nurse Angela Wilson in ITV's 1960s drama "Breathless", Joan Bulmer in the final season of "The Tudors" and Maggie Lewis in the 2016 ITV miniseries "Tutankhamun".
Document 9: Kathryn Drysdale: Kathryn Drysdale (born December 1981) is an English actress known for her role as Grace Shelley in The West End show "The Ruling Class" opposite James Mcavoy, as Taylor in the movie "St Trinian's", Rhoda Swartz in Mira Nair's Vanity Fair, and Louise Brooks in the BBC comedy series "Two Pints of Lager and a Packet of Crisps" from 2001 until her departure from the show in 2009. She has also starred in the fourth series of the ITV sitcom "Benidorm" and as Brownwell in William Boyd's award-winning "Any Human Heart" opposite Jim Broadbent. She previously worked with Broadbent on Mira Nair's feature adaptation of William Thackery's "Vanity Fair" starring Reese Witherspoon. She played the role of mixed-race heiress Rhoda Swartz. She is also known for her role as Lizzie in the drama series "Tripping Over" by Mike Bullen. She appeared in "Doctor Who" as Bliss in the episode "Love & Monsters". She currently plays Meghan Markle in season 2 of "The Windsors".
Document 10: Catherine Tate: Catherine Tate (born Catherine Ford; 12 May 1968) is an English comedian, actress, and writer. She has won numerous awards for her work on the sketch comedy series "The Catherine Tate Show" as well as being nominated for an International Emmy Award and seven BAFTA Awards. Following the success of "The Catherine Tate Show", Tate played Donna Noble in the 2006 Christmas special of "Doctor Who" and later reprised her role, becoming the Tenth Doctor's regular companion for the fourth series in 2008. In 2011, she began a recurring role as Nellie Bertram in the U.S. version of "The Office" and was a regular until the series ended.
Document 11: Gareth Dunlop: Gareth Dunlop (born East Belfast) is a singer-songwriter from Northern Ireland who is a multi-instrumentalist, engineer and producer. His distinct songwriting and vocal styles has led to his songs being featured in numerous television shows, films and commercials. In 2013, Dunlop's song "Wrap Your Arms Around Me" was part of the soundtrack for the movie "Safe Haven" based on a romance novel by Nicholas Sparks. His song was the second best selling single on the album. Currently, Dunlop is in a joint venture publishing deal with Moraine Music Group and Nettwerk One Music. He spends time in both the US and Northern Ireland, but permanently lives in Belfast and operates a recording studio in Hollywood.
Document 12: Dark Ride (film): Dark Ride is a 2006 American horror-thriller film directed by Craig Singer and written by Singer and Robert Dean Klein. It was selected to play at the 8 Films To Die For film festival, as one of the first eight films to be featured in the festival's series. The film revolves around a group of friends who are terrorized by a crazy masked murderer at a dark ride in an amusement park.
Document 13: Into the Dark (film): Into the Dark, also known as "I Will Follow You into the Dark", is a 2012 supernatural romance thriller written and directed by Mark Edwin Robinson. The film stars Mischa Barton and Ryan Eggold as lovers separated by supernatural elements. The project went into production in January 2012. The film's original title derives from the Death Cab for Cutie song of the same name. On 14 May 2012, Epic Pictures Group released an international trailer for the film. The film premiered at the Hollywood Film Festival on 20 October 2012, where it was nominated for the Best Feature Film award. The film was released theatrically in the United States on 11 October 2013.
Document 14: Red (2016 film): Red is a short dark thriller set in the underground world of illegal organ smuggling, the so-called red market. It's the directing debut of Branko Tomovic who is probably best known in the US for playing Jack Bauer's sidekick in the recent "24: Live Another Day" series and stars British actress Francesca Fowler (Doctor Who, Rome, Closure) with the acclaimed Irish actress Dervla Kirwan (Ondine, Ballykissangel, The Silence, Doctor Who) as the sadistic and cruel crime boss.
Document 15: Michelle Fairley: Michelle Fairley (born July 1963) is an actress from Northern Ireland, best known for her roles as Catelyn Stark in the HBO series "Game of Thrones", Dr. Ava Hessington in multiple episodes of USA Network series "Suits", and as terrorist Margot Al-Harazi, a main antagonist in "".
ground_truth: A Dark Song