"Who Killed Archie?"
 is a storyline from the BBC soap opera "EastEnders", which began on 25 December 2009, Christmas Day, when the character Archie Mitchell, played by Larry Lamb, was murdered by an unseen person.
 Events leading up to and following the murder put several characters in the frame, in the style of a whodunnit mystery.
 The culprit was kept a tight secret within the production crew as well, with only seven people knowing the identity of the killer.
 The murderer was revealed as Stacey Branning (Lacey Turner) during a live episode titled "EastEnders Live", broadcast on 19 February 2010, the show's 25th anniversary.
 Turner was told thirty minutes before the broadcast that Stacey was the killer, and actors rehearsed several possible endings.
 Finally, a two-hander episode between Stacey and Max on 26 March 2010 explained how she killed Archie.
"JJ" is the seventh episode of the of the British teen drama "Skins", which first aired on 5 March 2009 on E4 in both Ireland and the United Kingdom.
 The episode was written by the series' co-creator, Bryan Elsley, and was directed by Charles Martin.
 The episode focuses on the character of JJ Jones (Ollie Barbieri), who has Asperger syndrome, and his confusion about his life and his desire to be normal.
 He strikes up a friendship with Emily Fitch (Kathryn Prescott) and attempts to solve the dispute between his friends James Cook (Jack O'Connell) and Freddie Mclair (Luke Pasqualino) over their shared love interest, Effy Stonem (Kaya Scodelario).
Our Girl is a British television drama, which starred Lacey Turner as Molly Dawes (in its first series) a young adult from a lower class background who joins the British Army after deciding her life is going nowhere.
 A one-off special was broadcast on 24 March 2013 on BBC One, which saw Dawes make the decision to join the army, despite the protests of her protective family.
Luca Giuseppe "Luke" Pasqualino (born 19 February 1990) is a British actor, known for his portrayal of Freddie McClair in the television series "Skins" and d'Artagnan in the television series "The Musketeers".
 In 2016, he played Elvis Harte in the hit BBC show "Our Girl".
Frederick "Freddie" McClair was a fictional character from the British television series "Skins".
 He is portrayed by Luke Pasqualino.
 In the third series, he is involved in a love triangle with Effy Stonem and his best friend James Cook.
 This causes a conflict between him and Cook, as well as their other best friend JJ.
 In the fourth series he continues his relationship with Effy and attempts to help her through her depression.
Love Bite is a British comedy horror film distributed by Newmarket Films.
 It is directed by Andy De Emmony and is based on a screenplay by Cris Cole and Ronan Blaney.
 The film revolves around a mysterious Traveller girl who is suspected of being a werewolf.
 The film stars Ed Speleers, Jessica Szohr, Luke Pasqualino and Timothy Spall.
 The film was released on 9 November 2012.
Battlestar Galactica: Blood & Chrome is a prequel to the reimagined "Battlestar Galactica" series and is the latest installment in the franchise.
 A web-series that became a pilot for a possible series chronicling the early adventures of a young William Adama, but the series was not picked up.
 It stars Luke Pasqualino, Ben Cotton, and Lili Bordán.
 Michael Taylor wrote the teleplay from a story by Taylor, David Eick, Bradley Thompson and David Weddle, with Jonas Pate as director.
 Distribution of "Blood & Chrome" began as a 10-episode online series in conjunction with Machinima.com on  9, 2012 (2012--) , and also aired as a televised movie on  10, 2013 (2013--) on Syfy.
"The Musketeers" is a BBC television historical action drama that is based on the characters of Alexandre Dumas's novel "The Three Musketeers".
 The series stars Tom Burke as Athos, Santiago Cabrera as Aramis, Howard Charles as Porthos and Luke Pasqualino as d'Artagnan.
 "The Musketeers" was commissioned on 3 May 2012, premiered on 19 January 2014 and concluded on 1 August 2016.
 During the course of the programme, episodes of "The Musketeers " aired over series.
Michelle Keegan (born 3 June 1987) is an English actress.
 Keegan is known for portraying Tina McIntyre in the ITV soap opera "Coronation Street" between 2008 and 2014.
 In 2015, Keegan played the role of Tracy in the BBC drama series "Ordinary Lies".
 In 2016 she began playing Corporal Georgie Lane in BBC hit drama series "Our Girl" taking over the lead role from "EastEnders" actress Lacey Turner.
 She was awarded FHM "Sexiest Woman in The World" in 2015.
The Musketeers is a BBC period action drama programme based on the characters from Alexandre Dumas's novel "The Three Musketeers" and co-produced by BBC America and BBC Worldwide.
 The first episode was shown on BBC One on 19 January 2014.
 It stars Tom Burke as Athos, Santiago Cabrera as Aramis, Howard Charles as Porthos, Luke Pasqualino as d'Artagnan, with Tamla Kari as Constance, Maimie McCoy as Milady de Winter, Ryan Gage as King Louis XIII and Alexandra Dowling as Queen Anne.
 It also features Peter Capaldi as Cardinal Richelieu in the first series and Marc Warren as Comte de Rochefort in the second series.

Question: Who first acted in the hit BBC show "Our GIRL": Luke Pasqualino or Lacey Turner?
Answer: Lacey Turner