"Born to Run" is the 22nd episode of the first season of "Lost".
 It was directed by Tucker Gates, written by Edward Kitsis and Adam Horowitz, and based on a story by Javier Grillo-Marxuach.
 It first aired on May 11, 2005, on ABC.
 The character Kate Austen (Evangeline Lilly) is featured in the episode's flashbacks.
 The title Born to Run is an allusion to the Bruce Springsteen song and album of the same names.
"What Kate Did" is the 34th episode of "Lost".
 It is the ninth episode of the second season.
 The episode was directed by Paul Edwards, and written by Steven Maeda and Craig Wright.
 It first aired on November 30, 2005, on ABC.
 The character of Kate Austen is featured in the episode's flashbacks.
"Whatever the Case May Be" is the twelfth episode of the first season of "Lost".
 It was directed by Jack Bender and written by Damon Lindelof and Jennifer Johnson.
 It first aired on January 5, 2005, on ABC.
 The character of Kate Austen (Evangeline Lilly) is featured in the episode's flashbacks.
"Lost" is an American television drama that debuted on the American Broadcasting Company (ABC) on September 22, 2004.
 The series aired for six seasons, and follows the survivors of the crash of the fictional Oceanic Flight 815 on a mysterious tropical island somewhere in the South Pacific.
 Although a large cast made "Lost" more expensive to produce, the writers benefited from added flexibility in story decisions.
 According to series executive producer Bryan Burk, "You can have more interactions between characters and create more diverse characters, more back stories, more love triangles." The initial season had 14 regular speaking roles that received star billing.
 Matthew Fox played the protagonist, a troubled surgeon named Jack Shephard.
 Evangeline Lilly portrayed a fugitive Kate Austen.
 Jorge Garcia played Hugo "Hurley" Reyes, an unlucky lottery winner.
 Josh Holloway played a con man, James "Sawyer" Ford.
 Ian Somerhalder played Boone Carlyle, chief operating officer of his mother's wedding business.
 Maggie Grace played his stepsister Shannon Rutherford, a former dance teacher.
 Harold Perrineau portrayed construction worker and aspiring artist Michael Dawson, while Malcolm David Kelley played his young son, Walt Lloyd.
 Terry O'Quinn played the mysterious John Locke.
 Naveen Andrews portrayed former Iraqi Republican Guard Sayid Jarrah.
 Emilie de Ravin played a young Australian mother-to-be, Claire Littleton.
 Yunjin Kim played Sun-Hwa Kwon, the daughter of a powerful Korean businessman and mobster, with Daniel Dae Kim as her husband and father's enforcer Jin-Soo Kwon.
 Dominic Monaghan played English ex-rock star drug addict Charlie Pace.
Katherine Anne "Kate" Austen is a fictional character on the ABC television series "Lost", played by Canadian actress Evangeline Lilly.
 Before the pilot was shot during the writing phase, Kate was to emerge as the leader for the survivors, motivating them to build shelter and begin considering life as permanent residents of the island, however when it was decided Jack should survive, she was a second-in-command.
 In this original description for Kate, she was a slightly older woman separated from her husband, who went to the bathroom in the tail-section of the plane.
 However, that idea ended up being used for Rose Henderson (L. Scott Caldwell) and her husband Bernard Nadler (Sam Anderson).
 Kate is involved in a love triangle with Jack and Sawyer (Josh Holloway) and is seen as very protective of Claire (Emilie de Ravin) and her baby Aaron.
Emilie de Ravin ( ; born 27 December 1981) is an Australian actress.
 She has played Tess Harding on "Roswell" and Claire Littleton on the ABC drama "Lost".
 In 2012 she guest-starred as Belle French on the ABC drama "Once Upon a Time" and became a series regular beginning with season two.
"I Do" is the sixth episode of the third season of "Lost", and the 55th episode overall.
 It aired on November 8, 2006, on ABC.
 The episode was written by Damon Lindelof and Carlton Cuse and directed by Tucker Gates.
 The character of Kate Austen (Evangeline Lilly) is featured in the episode's flashbacks, where her brief marriage to a police officer, Kevin Callis (Nathan Fillion), is shown.
 In the present events, Jack Shephard (Matthew Fox) considers whether or not to perform surgery on Ben Linus (Michael Emerson), and is motivated by Kate's claims that if he does not comply, Sawyer (Josh Holloway) will be killed.
Nicole Evangeline Lilly (born August 3, 1979) is a Canadian actress and author.
 She came to prominence for her role as Kate Austen in the ABC series "Lost" (2004–10), for which she won a Screen Actors Guild Award and received a Golden Globe nomination.
 She is also known for her roles as Tauriel in "The Hobbit", Connie James in "The Hurt Locker" (2008), and Hope van Dyne in "Ant-Man" (2015).
"What Kate Does" is the 106th television episode of the American Broadcasting Company's "Lost" and third episode of the sixth season.
 It was written by executive producers Edward Kitsis and Adam Horowitz and directed in September 2009 by Paul Edwards.
 "What Kate Does" was first aired February 9, 2010, on ABC in the United States and on CTV in Canada.
 Kate Austen is the character on whom the episode is centered.
"Tricia Tanaka Is Dead" is the tenth episode of the third season of the American drama television series "Lost", and the show's 59th episode overall.
 The episode was written by Edward Kitsis and Adam Horowitz and directed by Eric Laneuville.
 The character of Hugo "Hurley" Reyes (Jorge Garcia) is featured in the episode's flashbacks, as he reminisces over his father (guest star Cheech Marin) abandoning his family for seventeen years.
 On the island, Hurley works with Jin-Soo Kwon (Daniel Dae Kim) and James "Sawyer" Ford (Josh Holloway) to repair an old Volkswagen camper van while Kate Austen (Evangeline Lilly) ponders what to do about the still-captured Jack Shephard (Matthew Fox).

Question: Which actress played Claire the friend of Kate Austen's character in the televison serise Lost?
Answer: Emilie de Ravin