Guest Stars Hallie Woodhall as Princess Vicky Mac Jackson as Prince Bertie Catherine Steadman as Mrs. Forbes Ben Lamb as Captain Frederick Forbes Nina Pavlovic as Princess Gertrude of Mecklenburg-Strelitz Zaris-Angel Hator as Sarah Grant Gillespie as Jeweller Oliver Walker as Winterhalter Derek Ezenagu as King Gezo Andy de la Tour as Flitch Leon Stewart as Interpreter Bessie-Rose Bell as Princess Alice Fiona Finsbury as Cinderella Sebastian Maclaine as The Prince