Michelle Fairley (born 11 July 1963) is an actress from Northern Ireland. She is best known for playing Catelyn Stark in the HBO series Game of Thrones (2011–2013). She has since appeared in the USA Network series Suits (2013), the Fox series 24: Live Another Day (2014), the RTÉ miniseries Rebellion (2016), the science fiction series The Feed (2019), and the Sky Atlantic crime drama Gangs of London (2020–).