Question: Who is the English-Irish acress who stars in the film Guy X?

Context paragraphs:
Guy X: Guy X is a 2005 black comedy war film directed by Saul Metzstein, based on the novel "No One Thinks Of Greenland" by John Griesemer.  The movie stars Jason Biggs, Natascha McElhone, Jeremy Northam, and Michael Ironside.

No One Thinks of Greenland: No One Thinks Of Greenland is a 2003 novel by John Griesemer, upon which the film "Guy X" was based.

Harry Standjofski: Harry Standjofski (born May 22, 1959) is a Canadian-born actor and voice actor as well as a theater director and playwright.  He has appeared in films such as "Guy X", "The Aviator", "Protection", "" and "Hidden Agenda" and has voiced characters in video games such as "Assassin's Creed", "", "", and "Splinter Cell".

Jules of the Strong Heart: Jules of the Strong Heart is a lost 1918 American silent drama film directed by Donald Crisp and written by William Merriam Rouse, Frank X. Finnegan' and Harvey F. Thew.  The film stars George Beban, Helen Jerome Eddy, Charles Ogle, Raymond Hatton, Guy Oliver, and Ernest Joy.  The film was released on January 14, 1918, by Paramount Pictures.

The Itchy &amp; Scratchy &amp; Poochie Show: "The Itchy & Scratchy & Poochie Show" is the fourteenth episode in the eighth season of the American animated television series "The Simpsons".  It originally aired on the Fox network in the United States on February 9, 1997.  In the episode, "The Itchy & Scratchy Show" attempts to regain viewers by introducing a new character named Poochie, whose voice is provided by Homer.  The episode is largely self-referential and satirizes the world of television production, fans of "The Simpsons", and the series itself.  It was written by David X. Cohen and directed by Steven Dean Moore.  Alex Rocco is a credited guest voice as Roger Meyers, Jr. for the third and final time (having previously provided the character's voice in "Itchy & Scratchy & Marge" and "The Day the Violence Died"); Phil Hartman also guest stars as Troy McClure.  Poochie would become a minor recurring character and Comic Book Guy's catchphrase, "Worst episode ever", is introduced in this episode.  With "The Itchy & Scratchy & Poochie Show", the show's 167th episode, "The Simpsons" surpassed "The Flintstones" in the number of episodes produced for a prime-time animated series.

One Direction discography: English-Irish boy band One Direction have released five studio albums, one extended play, seventeen singles (including two charity singles), two video albums and fifteen music videos.  They signed with Simon Cowell's record label Syco Records after being formed and finishing third in the seventh series of British television singing competition "The X Factor" in 2010.  They subsequently signed in North America with Columbia Records.  , an official documentary movie was released on August 30, 2013 in England and the 29th of August, 2013 in the United States.  This special limited-time-in-theaters film contains exclusive concert footage along with the story of the boys rise to fame.

Film and Music Entertainment: Film and Music Entertainment is a British film production company based in London UK.  The company was founded by Mike Downey and Sam Taylor in 2000 and has since produced films such as "Guy X" and "Deathwatch" to name a few.

Mary Queen of Scots (2018 film): Mary Queen of Scots is an upcoming British-American historical drama film directed by Josie Rourke and written by Beau Willimon.  It is based on John Guy's biography "My Heart Is My Own: The Life of Mary Queen of Scots".  The film stars Saoirse Ronan, Margot Robbie, Jack Lowden, Martin Compston, David Tennant, Joe Alwyn, Brendan Coyle and Guy Pearce.  The film is scheduled to be released on November 2, 2018 by Focus Features.

Hilmir Snær Guðnason: Hilmir Snær Guðnason (born 24 January 1969 in Reykjavík) is an Icelandic actor and voice actor.  He is famous in his native country and has appeared in both film and on stage.  In 2000 he was named as one of European films 'Shooting Stars' by European Film Promotion.  He is best known for his roles in the films "101 Reykjavík", "Hafið" ("The Sea" in English), "Blueprint" and "Guy X".

Natascha McElhone: Natasha Abigail Taylor (born 14 December, 1969) known professionally as Natascha McElhone ( ), is an English-Irish actress of stage, screen and television, best known for her roles in American films such as "Ronin", "The Truman Show" and "Solaris".  In addition, she is well known for her role as Karen van der Beek on the Showtime series "Californication".

Supporting paragraphs: Guy X Natascha McElhone
Answer: Natascha McElhone