https://cdnph.upi.com/ph/st/th/3811786031154/2026/upi/942ed5d49fc2ac46715d44129133a58c/v1.5/War-teaser-Dominic-West-Sienna-Miller-face-off-in-divorce-drama.jpg" /> "War," a new series from "Lupin" creator George Kay starring Dominic West and Sienna Miller, is coming to HBO in October and will also air on Sky.