Roseanne - Ames McNamara cast as David and Darlene's son, Mark By Klutzy_girl (September 7, 2017, 6:15 pm) Roseanne

TVLine has learned exclusively that newcomer Ames McNamara has been tapped for the series-regular role of Mark, Darlene and David’s 8-year-old son. The casting breakdown for the character describes Mark thusly: “Sensitive and bright, Mark occasionally likes to wear girls’ clothing.”