In the series 'World on Fire' on Hulu, Katherine Waterston portrays the character of Lois Bennett. Set during World War II, the show follows the lives of ordinary people from various countries as they navigate the chaos and uncertainty of the war. Waterston's character, Lois, is a young American journalist who finds herself in the midst of the conflict while reporting on the war. As the series unfolds, viewers witness the personal and emotional struggles faced by Lois and the other characters, making 'World on Fire' a compelling and thought-provoking series.