The Crown has released a peek at Helena Bonham Carter as the British monarch's rebellious and sometimes controversial younger sister Princess Margaret Dave Quinn is a Senior Editor for PEOPLE.

Helena Bonham Carter received her big break when she played Lucy Honeychurch in 1985’s A Room With a View. The British actress has since starred in the likes of Hamlet, Mary Shelley’s ...

Simon Perry is a writer and correspondent at PEOPLE. He has more than 25 years’ experience at PEOPLE covering the royals, human interest and celebrity. When Helena Bonham Carter takes to the ...

Only the young Lady Eileen "Bundle" Brent (McKenna-Bruce) will be able to figure out what actually happened. Bonham Carter will portray Lady Caterham, and Freeman will play Superintendent Battle.