Question: Which actress was added to the main cast of "The O.C." on the 13th episode and starred in the action film "Jumper" ?

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Your Fault (Desperate Housewives): "Your Fault" is the 13th episode of the ABC television series, "Desperate Housewives".  The episode was the 13th episode for the show's first season.  The episode was written by Kevin Etten and was directed by Arlene Sanford.  It originally aired on Sunday January 23, 2005.

Jing-Mei Chen: Dr. Jing-Mei Debra "Deb" Chen is a fictional medical doctor on the long-running television show "ER".  The character is played by Ming-Na.  Originally, Deb Chen entered the series midway through Season 1 as a medical student.  Toward the end of that season, Chen decided she was ill suited to a career in medical practice and would prefer to pursue a career in research.  The character was then absent for more than four years, returning in mid-Season 6 as Dr. Jing-Mei Chen.  After five years, Dr. Chen departed once again in the 11th season.  Ming-Na's addition into the main cast opening credits was in the 10th episode of season 6 and her removal was in the 10th episode of season 11.

List of Waterloo Road characters (series 3): The following is a list of characters who first appear in the third series of the BBC school drama "Waterloo Road", in order of first appearance.  The third series consists of twenty episodes, first broadcast from 11 October 2007 to 13 March 2008.  The first episode adds deputy head Eddie Lawson, English teacher Jasmine Koreshi and head of music and drama Matt Wilding and pre-existing supporting characters Grantly Budgen and Davina Shackleton to the main cast, alongside pupil characters Karla Bentham, Bolton Smilie, Aleesha Dillon and Danielle Harker, canteen assistant and Bolton's mother Candice Smilie and school secretary Bridget Morley.  Pupil Paul Langley makes his first appearance in episode two.  Incoming head teacher Rachel Mason completes the main cast upon her debut in the seventh episode, local developer Stuart Hordley appears from episode ten for the remainder of the series and pupil Michaela White appears for the first time in episode twelve.

Medallion (The Secret Circle): "Medallion" is the 13th episode of the first season of the CW television series The Secret Circle, and the series' 13th episode overall.  It was aired on February 2, 2012.  The episode was written by Andrew Miller & Andrea Newman and it was directed by Liz Friedlander.

Come Home Love (series 2): Come Home Love (; literally "Love, Return Home") is the continuing story of Hong Kong TVB's long running sitcom "Come Home Love" with a whole new cast and production team.  The second series plot and characters did not have any connections to the first series.  Lai Lok-yi, , and Griselda Yeung, resumes their characters from the first series and play minor roles.  The main cast are Katy Kung, Owen Cheung, Quinn Ho, , Evergreen Mak, Helen Ma and .  Louis Cheung and Priscilla Wong also made their appearance for the first 2 months as the main cast from July 6, 2015, the release date for the first episode of the second series.  The new cast started appearing on episode 805 and slowly transitioning out the cast from the first series.  However, most of the actors from the Ma family in the first series appeared again in the second series on 23 December 2015 due to low ratings of the second series.  The series is broadcast on Hong Kong's TVB Jade and HD Jade channels every Monday through Friday during its 8:00 pm to 8:30 pm timeslot.

List of Waterloo Road characters (series 8): The following is a list of characters who appear in the eighth series of the BBC school drama "Waterloo Road", in order of appearance.  The Eighth Series consists of Thirty Episodes, first broadcast from 23 August 2012 to 4 July 2013.  New Main Cast Members from Episode One include Head of English (later Head Teacher) Christine Mulgrew and History Teacher Audrey McFall, with Maggie Croft (later Budgen) and Lorraine Donnegan also promoted to the Main Cast.  New Pupil Characters from Episode One include Christine's son Connor Mulgrew, Imogen Stewart, Jade Fleming, Lula Tsibi, Rhiannon Salt and Angus Hancock.  Head of rival school Havelock High Gerald Findlay also appears in the first five episodes.  Episode four sees the first of several appearances of Imogen's mother Sally Stewart; Michael Byrne's father Billy debuts in the same episode, and appears until his death in Episode Ten.  Pupil Liberty Gordon first appears in Episode Five, and Kevin Skelton (later Chalk) also joins the supporting cast in Episode Eight.  Lorraine's sister Sonya Donnegan joins the main cast as School Secretary from Episode Nine.  Episode Eleven sees the Barry family, consisting of mother Carol and her children Barry, Dynasty and Kacey all join the supporting cast, with pupil Jack MacAllister also debuting in the same episode.  Towards the end of the series, supporting characters of Maintenance Assistant Ndale Kayuni, Dynasty's former boyfriend Steve-O Malone and Acting Head of Science Esther Fairclough all appear.  Angus Deayton and Richard Mylan join the cast as Head of Modern Languages George Windsor and Deputy Head Simon Lowsley in episodes Twenty-Seven and Twenty-Nine respectively.  Recurring Character Robert Bain, Head of Greenock Education makes his first appearance in episode Twenty-Seven, and wife of George Windsor, Princess first appears in episode Twenty-Nine.

Angry Birds Stella (TV series): Angry Birds Stella is a Finnish computer-animated TV series based on the game "Angry Birds Stella" that was produced by Rovio Entertainment.  The first episode, "A Fork in the Friendship", aired on ToonsTV in November 1, 2014.  The series recounts the tale of Stella, along with her friends Luca, Willow, Poppy and Dahlia, as they work their way against Gale, the former friend of Stella, that is the queen of the pigs in Golden Island.  The first season focuses on Gale trying to hunt for the Golden Egg, but, fails as seen in the final episode of season 1, "To The Bitter End".  The second season focuses on Gale returning and trying to hunt for the Golden Egg again, and she succeeded as seen in "The Golden Queen", the 9th episode of season 2.  Also, Dahlia, one of the birds, tries searching for the egg as well for an experiment, but this time, she fails, as seen in "It's Mine!" , the 6th episode of season 2.  Soon enough, the birds realize how dangerous this egg can be, as seen in "Premonition", the 11th episode in season 2, which in when Gale with the Golden Egg, anything that is touched with it, turns to gold.  However, when that happens, another thing turns to stone, the opposite of gold, which causes nature, and even worse, food to be turned to stone as well.  Now, it is up to the Stella gang to save Golden Island before it is too late.  They do succeed, as seen in "You Asked For It", the 13th and final episode of season 2 and the series finale of "Angry Birds Stella", where after a long awful night, Stella and her gang launch the Golden Egg out of the island, never to be seen again.  Gale does not mind because when she saw the Golden Egg after she broke out of the gold in the episode, she ran away, back into her castle.

List of Waterloo Road characters (series 9): The following is a list of characters who first appear in the ninth series of the BBC school drama "Waterloo Road", in order of first appearance.  The ninth series consists of twenty episodes, first broadcast from 5 September 2013 to 12 March 2014.  With the majority of new cast members already introduced in Series Eight, Science Teacher Sue Lowsley completes the main cast in episode one.  New pupil characters include twins Lenny and Lisa Brown, Darren Hughes, Shaznay Montrose and Archie Wong.  Episode ten sees the first appearance of Sue's sister Vix Spark, who continues in a supporting role for the rest of the series.  Episode eleven introduces PE teacher Hector Reid to the main cast, and pupil Gabriella Wark to the supporting cast.

Rachel Bilson: Rachel Sarah Bilson (born August 25, 1981) is an American actress.  Born to a California show business family, Bilson made her television debut in 2003, and then landed the role of Summer Roberts on the prime-time drama series "The O.C." Bilson made her movie debut in "The Last Kiss" (2006) and starred in the science-fiction-action film "Jumper" (2008).  From 2011-15, she starred as Dr. Zoe Hart on The CW series "Hart of Dixie".

Anna Stern: Anna Stern is a fictional character on the FOX television series "The O.C.", portrayed by Samaire Armstrong.  Initially intended to appear in only one episode, she was brought back at fan request for several episodes of the first season.  After a successful run, Melinda Clarke and Rachel Bilson were added to the main cast in the thirteenth episode, while Samaire Armstrong wasn't despite the regular appearance of her character.  She appears on the back of the album with the main cast of season 1.

Supporting paragraphs: Anna Stern Rachel Bilson
Answer: Rachel Bilson