Guest Stars Genevieve Gaunt as Wilhelmina Victoria Ekanoye as Rachel Andrew Bicknell as Lucius Poppy Corby-Tuech as Prudence Lydia Rose Bewley as Princess Penelope Simon Thomas as Nigel Moorefield Joan Collins as The Grand Duchess Alexandra of Oxford Andrew Cooper as Beck Scott Maslen as James Holloway Stephanie Vogt as Daphne Pryce Peter Vollebregt as Dr. Michael Cohen Tanveer Ghani as Crenshaw Geoffrey McGivern as Winston Moody David Broughton-Davies as Prime Minister Juan Pablo Yepez as Diego