Suggestions by @adamarmstrong

Tom Ellis

as Francis Walsingham in Mary, Queen of Scots(story private)

Score: +1

Gerard Butler

as John Knox in Mary, Queen of Scots(story private)

Score: +1

Maisie Richardson-Sellers

as Mary Fleming in Mary, Queen of Scots(story private)

Score: +1

Paul Kircher

as Francis II in Mary, Queen of Scots(story private)

Score: +1

Liam Neeson

as Sir William Cecil in Mary, Queen of Scots(story private)

Score: +1

Isabelle Huppert

as Catherine de' Medici in Mary, Queen of Scots(story private)

Score: +1

Isabella Rossellini

as Catherine de' Medici in Mary, Queen of Scots(story private)

Score: +1

Michael Socha

as James Hepburn in Mary, Queen of Scots(story private)

Score: +1

Anthony Ramos

as David Riccio in Mary, Queen of Scots(story private)

Score: +1

Patrick Luwis

as Henry Stuart in Mary, Queen of Scots(story private)

Score: +1

Iwan Rheon

as Robert Dudley in Mary, Queen of Scots(story private)

Score: +1

Thandiwe Newton

as Bess of Hardwick in Mary, Queen of Scots(story private)

Score: +1

James McAvoy

as James Stewart in Mary, Queen of Scots(story private)

Score: +1

Christopher Sieber

as Sir William Cecil in Mary, Queen of Scots(story private)

Score: +1

Grace Gummer

as Elizabeth I in Mary, Queen of Scots(story private)

Score: +1

Nicola Peltz Beckham

as Mary Stuart in Mary, Queen of Scots(story private)

Score: +1