Maude Apatow reprises her role as Lexi Howard, Cassie's younger sister and Rue's level-headed friend who is often the voice of reason. Apatow had a number of roles as a child in her parents' films, including Knocked Up, Funny People, and This Is 40, all helmed by her dad, Judd Apatow, and starring her mom, Leslie Mann. She also previously appeared in the Netflix show Hollywood.