had dug a trench across Piccadilly Circus, causing a massive traffic jam "from the East End to Belgrave Square.") The Princess Mary, Viscountess Lascelles The Princess Mary, Viscountess Lascelles (Kate Phillips) is the only daughter of King George V and Queen Mary. She appeared in the first film. She is unhappy in her marriage, and seeks to end it. However, when Tom Branson speaks to her about his own experiences in learning to live with the Crawley family despite their differences, she is inspired to make her marriage work. Tom doesn't learn her true identity until later. References External links Lists of British television series characters Characters Cultural depictions of George V Cultural depictions of Nellie Melba Cultural depictions of Neville Chamberlain