Synopsis
In 1561, Mary Stuart, widow of the King of France, returns to Scotland, reclaims her rightful throne and menaces the future of Queen Elizabeth I as ruler of England, because she has a legitimate claim to the English throne. Betrayals, rebellions, conspiracies and their own life choices imperil both Queens. They experience the bitter cost of power, until their tragic fate is finally fulfilled.
Cast

Saoirse Ronan
Mary Stuart

Margot Robbie
Queen Elizabeth I

Jack Lowden
Lord Darnley

David Tennant
John Knox

Guy Pearce
William Cecil

Gemma Chan
Bess of Hardwick

James McArdle
James, Earl of Moray

Ismael Cruz Cordova
David Rizzio

Martin Compston
Earl of Bothwell

Joe Alwyn
Robert Dudley

Brendan Coyle
Earl of Lennox

Ian Hart
Lord Maitland

Richard Cant
Thomas Andrews

Guy Rhys
Earl of Kent

Thom Petty
Earl of Shrewsbury

Izuka Hoyle
Mary Seton

John Ramm
Bull

Simon Russell Beale
Robert Beale

Maria Dragus
Mary Fleming

Liah O'Prey
Mary Livingston

Eileen O'Higgins
Mary Beaton

Greg Miller Burns
Thomas Hepburn

Aneurin Pascoe
John Hepburn

Adrian Derrick-Palmer
George Dalgleish
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