Debora Cahn Creator Keri Russell Kate Wyler Actor, Executive Producer Rufus Sewell Hal Wyler Actor David Gyasi Dennison Actor Ali Ahn Eidra Graham Actor Rory Kinnear Trowbridge Actor Ato Essandoh Stuart Actor Allison Janney Grace Penn Actor Penny Downie Frances Munning Actor Rosaline Elbay Nora Koriem Actor Nana Mensah Billie Appiah Actor Graham Miller Neil Barrow Actor Celia Imrie Actor Michael McKean Actor Miguel Sandoval Actor Bradley Whitford Actor Tracy Ifeachor Actor Richard Dillane Actor Carol Mazhuvancheril Actor Aidan Turner Actor Janice Williams Executive Producer Simon Cellan Jones Executive Producer