Joe Otterson TV ReporterDavid Arquette and Elizabeth Marvel are the latest additions to the cast of Damon Lindelof and Tara Hernandez’s Peacock drama series “Mrs. Davis.” In addition, Alethea Jones (“Rise of the Pink Ladies,” “Evil”) has boarded the series to executive produce and to direct multiple episodes.Arquette and Marvel join previously announced cast members Betty Gilpin, Jake McDorman, Andy McQueen, Ben Chaplin and Margo Martindale.