Becoming Elizabeth (TV) Cast
The cast of Becoming Elizabeth. Updated on September 15, 2025.
36 actors
Alicia von Rittberg
as Elizabeth I of England (8 episodes)

Alicia von Rittberg portrays Elizabeth I, the central character of the series. She embodies the young Elizabeth as she navigates the challenges and obstacles on her path to becoming the renowned Queen of England.

Romola Garai
as Mary Tudor (8 episodes)

Romola Garai takes on the role of Mary Tudor, the older sister of Elizabeth I. Her character plays a significant role in the series as she struggles with her own ambitions and the complex dynamics of the Tudor family.

Oliver Zetterström
as Edward VI of England (8 episodes)

Oliver Zetterström portrays Edward VI, the young and frail king of England. Through his performance, Zetterström brings out the vulnerability and challenges faced by a young monarch.

Jessica Raine
as Catherine Parr (8 episodes)

Jessica Raine plays Catherine Parr, the sixth and final wife of King Henry VIII. Her character's intelligence and political acumen make her an influential figure in the series.

John Heffernan
as Edward Seymour (8 episodes)

John Heffernan plays the Duke of Somerset, a powerful nobleman who holds great influence over the young monarchs. Heffernan's portrayal showcases the complexities of power and ambition in this historical context.

Tom Cullen
as Thomas Seymour (8 episodes)

Tom Cullen takes on the role of Thomas Seymour, a controversial figure in English history and a romantic interest for Elizabeth I. Cullen's portrayal brings depth and complexity to this complex character.

Jamie Parker
as John Dudley (8 episodes)

Jamie Parker takes on the role of John Dudley, an ambitious statesman in King Edward VI's court. Parker's performance highlights the political intrigues and power struggles of the period.

Bella Ramsey
as Jane Grey (8 episodes)

Bella Ramsey portrays Jane Grey, the tragic figure known as the Nine-Day Queen. Ramsey's performance captures the fleeting reign of a young queen caught in the midst of political turmoil.

Leo Bill
as Henry Grey (8 episodes)
Ekow Quartey
as Pedro de Negro (8 episodes)
Jamie Blackley
as Robert Dudley (8 episodes)
Jacob Avery
as Guildford Dudley (8 episodes)
Alexandra Gilbreath
as Kat Ashley (8 episodes)
Alex MacQueen
as Steven Gardiner (8 episodes)
Olivier Huband
as Ambassador Guzmán de Silva (8 episodes)
Ryan Nolan
as Richard (8 episodes)
Matthew Steer
as William (1 episode)
Shaun Mason
as Priest (1 episode)
Miltos Yerolemou
as Tutor (1 episode)
Kenny Fullwood
as Messenger (1 episode)
Luke Rollason
as King's Player (1 episode)
Martin Bassindale
as King's Player (1 episode)
Ben Moor
as Doctor (2 episodes)
Stanley Townsend
as Anthony Denny (2 episodes)
Beth Goddard
as Joan Denny (1 episode)
Erin Ainsworth
as Denny's Daughter (1 episode)
Nicholas Bishop
as French Ambassador (1 episode)
Robert Whitelock
as Robert Kett (2 episodes)
Bohdan Poraj
as John Robsart (1 episode)
Lucy Speed
as Elizabeth Robsart (1 episode)
Ruby Ashbourne Serkis
as Amy Robsart (3 episodes)
Alfie Todd
as Edward Seymour (2 episodes)
Poppy Shepherd
as Peasant Woman (1 episode)
Ed Eales White
as Villager (1 episode)
Oliver Bennett
as Court Physician (1 episode)
Michael Webber
as Yeoman Guard (1 episode)
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