As this was the final episode of the first season featuring the third cast generation, major performers included: as Queen Elizabeth II Jonathan Pryce as Prince Philip Dominic West as Prince Charles Elizabeth Debicki as Princess Diana Jonny Lee Miller as John Major Bertie Carvel as Tony Blair Thematic Significance

: Prince Charles travels to Hong Kong on the Britannia for its final voyage to oversee the transfer of sovereignty to China . Cast Guide

: Sets the stage in 1997, focusing on the transition from the Conservative government under John Major to Tony Blair's Labour Party . Key Plot Points