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"?
Sentence (from "Catastrophe (2015 TV series)"): Carrie Fisher, Ashley Jensen, and Mark Bonnar play supporting characters in the series.
Relevant evidence: No