Joe Otterson TV ReporterPamela Adlon and Rhys Wakefield have been cast in guest starring roles in the upcoming Showtime drama series “The First Lady,” Variety has confirmed.They join previously announced series stars Viola Davis and Michelle Pfeiffer, who will play Michelle Obama and Betty Ford respectively. Variety exclusively reported that Jayme Lawson and Kristine Froseth will play a young Obama and a young Ford.Formerly known as “First Ladies,” the show is described as a reframing of