TV Article Westworld star Jimmi Simpson to guest on This Is Us By Dan Snierson Dan Snierson Dan is a Senior Writer for EW EW's editorial guidelines Published on October 31, 2016 Photo: Jason LaVeris/FilmMagic; Ron Batzdorff/NBC Simpson, meet Pearson. Westworld star Jimmi Simpson will guest star on an upcoming episode of This Is Us, EW has confirmed. He’ll pop up in the role of Andy, a trader who works alongside Randall (Sterling K. Brown). Simpson’s recent TV credits include Hap and Leonard, House of Cards, and The Newsroom. The guest roster for This Is Us includes Gerald McRaney, Jon Huertas, Katey Sagal, Brad Garrett, and Janet Montgomery. Jami Gertz appears in Tuesday’s episode as the new boss of Kate (Chrissy Metz), and a pair of True Blood alums will pop up soon on the NBC dramedy. Sam Trammell plays Ben, an ex-bandmate of Rebecca (Mandy Moore), while Denis O’Hare plays Jessie, friend of William (Ron Cephas Jones). Variety first reported the Simpson news.