Wilson's popularity travelled to the United States in 2014, when she appeared as a character on Showtimes The Affair. She was Alison Lockhart, a young woman who is struggling with her past and becomes involved with Noah Solloway. Wilson together with Mauratierney and Joshua Jackson won a Golden Globe for Best Actress for a Television series-drama in 2015. Wilson stated to British Vogue, "I loved getting to portray the character that has both sides of the story." Noah believes Alison as a stylish and sexy version. However, in reality Alison sees herself as being dowdy. The actress added "I consider that America is such a moral country and that they are very judgmental. Everything that happens on the show is horrifying." Wilson's departure on the show shocked a number of her viewers in the year 2018. However, she remained cryptic about further details. During a CBS This Morning Interview in August, 2018, Wilson admitted, "I did want to go but I can'