The Hereditary Principle
The Crown – Season 4
Grappling with mental health issues, Margaret seeks help and discovers an appalling secret about estranged relatives of the royal family.
Cast
Olivia Colman
Queen Elizabeth II
Tobias Menzies
Prince Philip, Duke of Edinburgh
Helena Bonham Carter
Princess Margaret
Gillian Anderson
Margaret Thatcher
Josh O'Connor
Prince Charles
Emma Corrin
Lady Diana Spencer
Marion Bailey
Queen Elizabeth the Queen Mother
Erin Doherty
Princess Anne
Stephen Boxer
Denis Thatcher
Tom Burke
Dazzle Jennings
Harry Treadaway
Roddy Llewellyn
Nancy Carroll
Anne Tennant
Richard Teverson
Colin Tennant
Gemma Jones
Penelope Carter
Kevin Hand
Margaret's Butler
Geoffrey Breton
Mark Phillips
Trudie Emery
Katherine Bowes-Lyon
Pauline Hendrickson
Nerissa Bowes-Lyon
Madeleine Bowyer
Earlswood Nurse 1
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