Amid an international crisis, a US diplomat contends with her high-profile job as ambassador to the UK and her strained marriage to a political star.
Keri Russell
Ambassador Kate Wyler
Rufus Sewell
Hal Wyler
Ali Ahn
Eidra Park
Rory Kinnear
Prime Minister Nicol Trowbridge
Ato Essandoh
Stuart Hayford
Bradley Whitford
Todd Penn
