The Duchess Main cast, played by Katherine Ryan Episode 1x01: Episode 1 (Sep 11, 2020) Episode 1x02: Episode 2 (Sep 11, 2020) Episode 1x03: Episode 3 (Sep 11, 2020) Episode 1x04: Episode 4 (Sep 11, 2020) Episode 1x05: Episode 5 (Sep 11, 2020) Episode 1x06: Episode 6 (Sep 11, 2020)
