VIDEO : 'The Crown' Announces Actor Who Will Join Helena Bonham Carter

As previously announced, Season 3 of **The Crown** is replacing its entire cast with older actors.
Olivia Colman will play Queen Elizabeth II and Tobias Menzies will play Prince Philip.
Helena Bonham Carter has signed on to play fan favorite Princess Margaret.
Buzzfeed reports that Netflix has found an actor to play opposite Bonham Carter.
Ben Daniels of **The Exorcist** will take on the role of Earl of Snowden Antony Armstrong-Jones.