Question: Who did Sharon Horgan star as in  a British sitcom first broadcast on 19 January 2015, which had appearances from an English comedy actress who was also in "The IT Crowd", "Psychoville," "Peep Show" and "Fresh Meat"?

Context paragraphs:
Pulling (TV series): Pulling is a BBC comedy series, produced by Silver River Productions and broadcast on BBC Three, about three single female friends who live in Penge, south-east London.  It was co-written by Sharon Horgan and Dennis Kelly and stars Horgan as Donna, Tanya Franks as Karen, Rebekah Staton as Louise and Cavan Clerkin as Karl.  "Pulling" was the last comedy show developed by Harry Thompson before his death.

Fresh Meat (TV series): Fresh Meat is a British comedy-drama created by Jesse Armstrong and Sam Bain, who also created "Peep Show".

Catastrophe (2015 TV series): Catastrophe is a British sitcom first broadcast on 19 January 2015 on Channel 4.  It stars Sharon Horgan as Sharon Morris and Rob Delaney as Rob Norris, who get together after she becomes pregnant following a brief affair while he is in the UK on business.  Carrie Fisher, Ashley Jensen, and Mark Bonnar play supporting characters in the series.

Margaret Cabourn-Smith: Margaret Alice Cabourn-Smith (born July 25, 1975 in Richmond upon Thames) is an English comedy actress with appearances on "Catastrophe", "The IT Crowd", "Psychoville," "Peep Show" and "Fresh Meat".

Objective Media Group: Objective Media Group (OMG), previously known as Objective Productions, is a media company that produces shows in Comedy, Comedy Drama, Entertainment, Factual Entertainment and Magic.  It has produced shows including The Cube, Breaking Magic, The Real Hustle, Peep Show, Fresh Meat, and Toast of London.  The company has offices in Glasgow, Scotland and Los Angeles, California

The Challenge: Fresh Meat II: The Challenge: Fresh Meat II is the 19th season of the MTV reality game show, "The Challenge".  "Fresh Meat II" is the sequel to the show's 12th season, "".  Continuing with the precursor's advent of original contestants, "Fresh Meat II" also introduced a slew of previously unknown contestants who had never appeared on either "The Real World" or "Road Rules."

The Entire History of You: "The Entire History of You" is the third and final episode of the first series of British science fiction anthology series "Black Mirror".  It was written by the creator of "Peep Show" and "Fresh Meat", Jesse Armstrong, making it the only episode of the series not written or co-written by creator and showrunner Charlie Brooker.  It was directed by Brian Welsh, and first aired on Channel 4 on 18 December 2011.

Angelo's: Angelo's was a British sitcom that aired on Five in 2007.  One series of six episodes was produced.  It was written by Sharon Horgan who was also a member of ensemble cast.  Steve Brody starred in the titular role as the proprietor of London cafe Angelo's.  Also starring was Shelley Longworth as Maria, Angelo's daughter, Alice Lowe, Miranda Hart and Javone Prince.  Paul Kaye and Belinda Stewart-Wilson guest starred.  Horgan claimed that before the show aired, they discovered that Five had decided not to fund any more original comedy, effectively cancelling the show.

Peep Show (TV series): Peep Show is a British sitcom starring David Mitchell and Robert Webb.  The television programme is written by Jesse Armstrong and Sam Bain, with additional material by Mitchell and Webb, among others.  It was broadcast on Channel 4 from 2003 until 2015.  In 2010 it became the longest-running comedy in Channel 4 history in terms of years on air; however, Desmond's still holds the records for most episodes (71 versus Peep Show's 54).

Mollie Sugden: Mollie Sugden (21 July 19221 July 2009) was an English comedy actress, best known for portraying the saleswoman Mrs. Slocombe in the British sitcom "Are You Being Served? " (1972–85).  She later reprised this role in "Grace & Favour" (1992–93).  Sugden appeared in many other television series, including "The Liver Birds", "That's My Boy" and "Coronation Street".

Supporting paragraphs: Margaret Cabourn-Smith Catastrophe (2015 TV series)
Answer: Sharon Morris