Question: Who played the fictional character which Luke took over his share of the Underworld factory?

Context paragraphs:
Underworld (comics): Underworld (Jackie Dio) is a fictional character, a supervillain in publications from Marvel Comics.  The character first appeared in the "Underworld" limited series in 2006.

Luke Strong (Coronation Street): Luke Strong is a fictional character from the British ITV soap opera, "Coronation Street".  Portrayed by Craig Kelly, the character appeared throughout 2009.  Luke took over Carla Connor's share of the Underworld factory with Tony Gordon.  He knew Carla's deceased husband, Paul Connor.

Luke Spencer: Luke Spencer is a fictional character in the American television soap opera "General Hospital", played by Anthony Geary from 1978 until his departure in July 2015.  Geary holds the record for most Daytime Emmy wins for Outstanding Lead Actor in a Drama Series for his work as Luke.  He was the show's fifth most tenured character after Monica Quartermaine, Laura Spencer, Scott Baldwin, and Bobbie Spencer.  Luke has easily been one of the most popular characters in daytime soap operas.

Selene (Underworld): Selene, portrayed by British actress Kate Beckinsale, is a fictional character and the main protagonist of the "Underworld" film series.  More specifically, she serves as the central character in the films "Underworld" (2003), "" (2006), "" (2012), and "" (2016).

Kato (The Green Hornet): Kato (加藤) is a fictional character from "The Green Hornet" series.  This character has also appeared with the Green Hornet in film, television, book and comic book versions.  Kato was the Hornet's assistant and has been played by a number of actors.  On radio, Kato was initially played by Raymond Hayashi, then Roland Parker who had the role for most of the run, and in the later years Mickey Tolan and Paul Carnegie.  Keye Luke took the role in the movie serials, and in the television series he was portrayed by Bruce Lee.  Jay Chou played Kato in the 2011 Green Hornet film.

Izzy Armstrong: Isabelle "Izzy" Armstrong is a fictional character from the British ITV soap opera, "Coronation Street", portrayed by Cherylee Houston.  The character first appears on-screen on 16 April 2010; she is introduced as a new love interest for Kirk Sutherland (Andrew Whyment).  Soon after her arrival she gets a job at the Underworld factory.  Upon her debut, she was heralded as the soap's first disabled regular character in 50 years.  Izzy was the first member of the Armstrong family to be introduced, her father Owen and sister Katy arrived within two months after her first appearance and is currently the only remaining member of the Armstrong family, following Owen and Katy's departure in early 2015.  On 1 July 2016, Izzy was sentenced to three months in prison for using marijuana to relieve her chronic pain.

Laura Spencer (General Hospital): Laura Spencer is a fictional character from "General Hospital", an American soap opera on the ABC network.  Laura, originally played by Stacey Baldwin, was introduced in 1974 as the illegitimate daughter of Dr. Lesley Williams (Denise Alexander).  The character was written out in the summer of 1976.  In early 1977, Genie Francis took over the role of the rebellious teenage Laura.  In 1978, thanks to the efforts of executive producer Gloria Monty's plan to entice younger viewers, the character's popularity skyrocketed in the late 1970s and early 1980s due to her pairings with Scott Baldwin (Kin Shriner) and Luke Spencer (Anthony Geary) -- the latter of the two becoming the defining Supercouple for the soap opera genre.  Luke and Laura's 1981 wedding — which featured a guest appearance from Elizabeth Taylor — was viewed by 30 million people.  In 1982, Francis quit the show and the character was written out having disappeared.  Francis returned to the series for brief stints in 1983 to reunite Luke and Laura, and then again in 1984 when Laura was revealed to be pregnant.

Carla Connor: Carla Connor (also Gordon and Barlow) is a fictional character from the British ITV soap opera, "Coronation Street", played by Alison King.  She made her first appearance on screen during the episode airing on 1 December 2006.  Carla has been referred to as "the new Elsie Tanner".  This was King's second role in the soap as she previously played Mrs. Fanshaw for one episode in 2004.  King was off-screen from February 2009 until October 2009 due to her maternity leave.  In May 2012, King announced she would be temporarily departing, her departure scenes aired on 16 July 2012 and her return scenes aired on 10 December 2012 On 1 May 2015, it was reported that King would take a sabbatical for "creative reasons" at some point in 2016.  On 8 January 2016, it was confirmed that instead of taking a sabbatical, King would be leaving permanently.  She filmed her final scenes on 28 April 2016, and her departure was aired on 26 May 2016.  It was announced on 14 August 2017 that King would return as Carla that Christmas.

Nikki Warrington: Nikki Warrington is a fictional character from the British soap opera "Family Affairs", played by Rebecca Blake.  She first appeared on-screen during the episode broadcast 31 January 2000.  She last appeared on 1 December 2003.  The character arrived as part of the Warrington/Scott family and has been labeled a "serial adulterer" due to her many affairs.  Arriving with husband Andrew Warrington (Simon Cook), she has an affair with his son Luke Warrington (Royce Cronin).  She is unfaithful to Luke with her ex-husband Adrian Scott (Ariyon Bakare) and later Jim Webb (Jo Dow).  Nikki later finds love once again and marries Roy Farmer (Miles Petit).  Her affair with Luke earned her the title of the "wicked stepmother" from "Soaplife" magazine.

Naomi Ryan: Naomi Ryan (born 24 May 1977 in Bournemouth, England) is a British actress who has appeared in "Dream Team" as Ashleigh King, "Mile High" as Lehann Evans and "Coronation Street" where she played Underworld factory worker Bobbi Lewis.

Supporting paragraphs: Luke Strong (Coronation Street) Carla Connor
Answer: Alison King