On screen
Cast
22 credited performers
Vanessa Redgrave
Mary, Queen of Scots
Glenda Jackson
Queen Elizabeth
Patrick McGoohan
James Stuart
Timothy Dalton
Henry, Lord Darnley
Nigel Davenport
Lord Bothwell
Trevor Howard
William Cecil
Daniel Massey
Robert Dudley
Ian Holm
David Riccio
Andrew Keir
Ruthven
Artwork unavailable
Tom Fleming
Father Ballard
Katherine Kath
Catherine De Medici
Artwork unavailable
Beth Harris
Mary Seton
Artwork unavailable
Frances White
Mary Fleming
Bruce Purchase
Morton
Brian Coburn
Huntly
Vernon Dobtcheff
Duc De Guise
Raf De La Torre
Cardinal De Guise
Richard Warner
Walsingham
Maria Aitken
Lady Bothwell
Jeremy Bulloch
Andrew
Richard Denning
Francis, King of France
Robert James
John Knox