In the This Is Us episode ‘I Call Marriage’, in the present Toby tries on tuxedos while Kate is working hard at her weight-loss camp, and Kevin (Justin Hartley) continues to pursue his ex-wife Sophie. She agrees to meet Kevin but when she does show up she’s there to give him a piece of her mind. She’s also mad that he never ages.
Sophie is portrayed by Alexandra Breckenridge. She’s known for her roles on The Walking Dead (Jessie Anderson), American Horror Story (Moira O’Hara/Kaylee), Save Me (Carly McKenna), True Blood (Katerina Pelham), The Ex List (Vivian), and Dirt (Willa McPherson), among others. This Is Us airs Tuesdays at 9pm on NBC.