Treason (TV) Cast
The cast of Treason. Updated on August 11, 2025.
40 actors
Charlie Cox
as Adam Lawrence (5 episodes)

Charlie Cox portrays the character of Adam Lawrence, a conflicted politician torn between duty and personal beliefs.

Olga Kurylenko
as Kara Yusova (5 episodes)

Olga Kurylenko plays the role of Kara Yusova, a skilled intelligence agent with a mysterious past.

Oona Chaplin
as Maddy De Costa (5 episodes)

Oona Chaplin takes on the role of Maddy De Costa, a determined investigative journalist who uncovers dangerous secrets.

Ciarán Hinds
as Sir Martin Angelis (5 episodes)

Ciarán Hinds brings to life Sir Martin Angelis, a powerful and influential figure entangled in a dangerous political game.

Beau Gadsdon
as Ella Lawrence (5 episodes)

Beau Gadsdon portrays Ella Lawrence, the daughter of Adam Lawrence and a key figure in uncovering the truth behind the conspiracy.

Samuel Leakey
as Callum Lawrence (5 episodes)

Samuel Leakey plays the role of Callum Lawrence, the son of Adam Lawrence who becomes entangled in the political turmoil surrounding his family.

Alex Kingston
as Audrey Gratz (5 episodes)

Alex Kingston takes on the character of Audrey Gratz, a cunning and manipulative politician with her own agenda.

Tracy Ifeachor
as Dede Alexander (5 episodes)

Tracy Ifeachor portrays Dede Alexander, a determined activist fighting against corruption and seeking justice.

Adam James
as Patrick Hamilton (4 episodes)
Sargon Yelda
as Malik Banajee (3 episodes)
Kevin Harvey
as Olamide Bello (4 episodes)
Dinita Gohil
as Zoe (1 episode)
John Lightbody
as PPO Frank Scott (4 episodes)
Jonathan Nyati
as PPO Bob Hayes (1 episode)
Joe Macaulay
as PPO Pete Barnes (4 episodes)
Joanna Horton
as Rebecca Rossano (2 episodes)
Joseph Kloska
as Thomas Keegan (1 episode)
Richard Huw
as Lord Lambert (1 episode)
Dan Shaw
as Ex-Serviceman (1 episode)
Miztli Rose
as Waitress (1 episode)
Jayne Aguire
as Political Aide (3 episodes)
Mark Ramsay
as Doorman (1 episode)
Alexandra Guelff
as CIA Agent Gore (3 episodes)
Alex Magliaro
as CIA Agent Harrington (2 episodes)
Brian Law
as CIA Agent Tao (4 episodes)
Annabel Wood
as Joanne Allinson (2 episodes)
Sofian Francis
as Kyle Mills (2 episodes)
Will Deville
as Injured Cyclist (1 episode)
Syrus Lowe
as Kit Harper (4 episodes)
Clare Holman
as Mary Angelis (3 episodes)
Danila Kozlovsky
as Lord Anton Melnikov (3 episodes)
Simon Lenagan
as Robert Kirby (3 episodes)
Rishi Nair
as Met Officer (1 episode)
Dinita Gohill
as Zoe (3 episodes)
Avital Lvova
as Irina Belova (2 episodes)
Jonathan Rhodes
as Constituent (1 episode)
Evan Davis
as Newsreader (1 episode)
Evan Davis
as Newsreader (1 episode)
Nathalie Armin
as Lydia Jenna (1 episode)
Claire Lacey
as Committee Chair (1 episode)
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