They join stars and executive producers Elisabeth Moss and Kerry Washington.
As the investigation unravels, so does the truth about how even the closest relationships can change over time.
Joel Kinnaman and Corey Stoll recently also joined the series regular cast.
L-R: Rome Flynn, Ana Ortiz and Sherri SaumAdrian Martin/Getty/Maryna Borschenko
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Ortiz will play Detective Ganz, and Saum will play Zoe.
Rome will play Jordan, who, Deadline hears, will be Washingtons characters love interest.
Flynn is repped by Greene Talent, Weiner Management, and Meyer & Downs.
Ortiz is repped by Gersh and manager Geordie Frey.
Saum is repped by Paradigm and Generational Entertainment.
