Question: What actor appearred in The CW's Gossip Girl and the 2009 film S. Darko?

Context articles: Ed Westwick
Jenny Humphrey
Gossip Girl (season 1)
Gossip Girl
The Goodbye Gossip Girl
Valley Girls
List of Gossip Girl episodes
S. Darko
List of Gossip Girl: Acapulco episodes
Juliet Sharp

Edward Jack Peter "Ed" Westwick (born 1987) is an English actor and musician, best known for his role as Chuck Bass on The CW's teen television drama series "Gossip Girl" (2007–2012).
 He made his feature film debut in "Children of Men" (2006) and has since appeared in the films "Breaking and Entering" (2006), "Son of Rambow" (2007), "S. Darko" (2009), "Chalet Girl" (2011), "J. Edgar" (2011), "Romeo and Juliet" (2013), "Bone in the Throat" (2015), "Freaks of Nature" (2015), and "Billionaire Ransom" (2016).
 He currently plays Vincent Swan in the BBC Two television comedy series "White Gold" (2017).
Jennifer Tallulah "Jenny" Humphrey is one of the characters in both the "Gossip Girl" and "The It Girl" series of novels by Cecily von Ziegesar.
 She is portrayed by Taylor Momsen in the "Gossip Girl" television adaptation on The CW.
The first season of "Gossip Girl", an American teen drama based upon the book series by Cecily von Ziegesar.
 Developed for television by Josh Schwartz and Stephanie Savage.
 Airing on The CW from September 19, 2007 till May 19, 2008 with 18 episodes.
 It tells the story of Serena van der Woodsen's return to Manhattan's Upper East Side in New York City following her mysterious disappearance to boarding school in Connecticut, while being watched by gossip website Gossip Girl.
Gossip Girl is an American teen drama television series based on the book series of the same name written by Cecily von Ziegesar.
 The series, created by Josh Schwartz and Stephanie Savage, originally ran on The CW for six seasons from September 19, 2007, to December 17, 2012.
 Narrated by the omniscient blogger "Gossip Girl", voiced by Kristen Bell, the series revolves around the fictional lives of upper-class adolescents living in Manhattan's Upper East Side.
"The Goodbye Gossip Girl" is the 43rd episode of the CW television series, "Gossip Girl".
 It was also the twenty-fifth and final episode of the show's second season.
 The episode was written by Joshua Safran and directed by Norman Buckley.
 It originally aired on Monday, May 18, 2009 on the CW.
"Valley Girls" is the twenty-fourth episode of the second season of The CW television series "Gossip Girl".
 The episode served as a backdoor pilot for a potential "Gossip Girl" spin-off series set in the 1980s, entitled "Valley Girls".
 The episode was directed by Mark Piznarski and written by Josh Schwartz and Stephanie Savage (this was the first episode of the series since "Much 'I Do' About Nothing" to be co-written by Schwartz).
 It was filmed on location in New York City, New York and in Los Angeles, California.
 References to elements of 1980s popular culture were heavily accentuated in the episode, which the producers hoped would bridge the generation gap between the characters and audience.
 "Valley Girls" aired on the CW in the United States on May 11, 2009 and was viewed live by an audience of 2.31 million Americans.
 Although the episode received generally positive reviews, the spin-off series was not picked up.
"Gossip Girl" is a teen drama which premiered on September 19, 2007 in the United States on The CW.
 "Gossip Girl" is based on the young-adult book series of the same name written by Cecily von Ziegesar, and was developed for television by "The O.C." creators Josh Schwartz and Stephanie Savage.
 The series follows the lives of the young, wealthy, and social elite residing in the Upper East Side of Manhattan, and is narrated by an unseen and seemingly omniscient character, "Gossip Girl", whose blog is widely read among the characters.
S. Darko is a 2009 psychological horror-science fiction drama film directed by Chris Fisher and starring Daveigh Chase, Briana Evigan, and Ed Westwick.
 It is the sequel to the 2001 cult film, "Donnie Darko".
"" is a Mexican television series which premiered on August 5, 2013 in Mexico on Golden Premier and ended on September 6, 2013 after 25 episodes.
 "Gossip Girl: Acapulco" is the Mexican adaptation of "Gossip Girl", and is produced by El Mall and Warner Brothers International Television.
 Pedro Torres serves as executive producer.
 The first season summarises original "Gossip Girl" seasons 1 and 2, as the producer wanted to have a more dramatic and intense storyline.
Juliet Sharp is a recurring character who exclusively appeared in the "Gossip Girl" television adaptation.
 The character was created by "Gossip Girl" producer Stephanie Savage and is portrayed by actress Katie Cassidy.
 The series portrays her as a scheming and secretive but caring woman who develops into a formidable antagonist as her agenda against Serena van der Woodsen progressed.
 The actions of character has drawn comparisons to another villain of "Gossip Girl", Georgina Sparks, and received positive reviews for her inclusion in the series.
 Juliet only appears during the first half of the fourth season, though she returns in the series finale.