ABC’s forthcoming Roseanne revival has hired its first new cast member to join returning vets Roseanne Barr, John Goodman, Laurie Metcalf, Sara Gilbert, Michael Fishman, Lecy Goranson and Sarah Chalke. Newcomer Ames McNamara has been tapped for the series-regular role of Mark, Darlene and David’s 8-year-old son.
