Louis Herthum has been recently booked as a series regular role on Jonathan Nolan and Lisa Joy's sci-fi/thriller, The Peripheral, an Amazon Original series. Herthum's most recent series regular roles include Home Before Dark for Apple TV+ and NETFLIX's anthology series What/If opposite Renee Zellweger. Still, he is best known for his role on HBO's Westworld as Peter Abernathy, father to Dolores (Evan Rachel Wood). His casting in The Peripheral re-teams him with Westworld creators Nolan and Joy. He also recently appeared in the series premieres of both Chicago Fire and Chicago Med on NBC, reprising a role from a previous season in the crossover premiere event.