Joe Otterson TV ReporterKeri Russell has been cast in the lead role of the upcoming Netflix series “The Diplomat.”The series was ordered at the streamer in January. In the series, in the midst of an international crisis, a career diplomat (Russell) lands in a high-profile job she’s unsuited for, with tectonic implications for her marriage and her political future.Debora Cahn created the series and also serves as executive producer and showrunner.