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Treason
Cast
40 cast members · 16 with popularity data
Stats
Top Cast
Episode Ratings
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Full Cast
Sorted by Buzz Score · April 28, 2026
1
Alex Kingston
Audrey Gratz
· 5 eps
3.2
#1,342 overall
2
Charlie Cox
Adam Lawrence
· 5 eps
2.6
#1,879 overall
3
Ciarán Hinds
Sir Martin Angelis
· 5 eps
2.6
#1,950 overall
4
Tracy Ifeachor
Dede Alexander
· 5 eps
2.1
#2,589 overall
5
Oona Chaplin
Maddy De Costa
· 5 eps
2.0
#2,643 overall
6
Olga Kurylenko
Kara Yusova
· 5 eps
1.9
#2,864 overall
7
Beau Gadsdon
Ella Lawrence
· 5 eps
0.9
#6,386 overall
8
Clare Holman
Mary Angelis
· 3 eps
0.3
#15,593 overall
9
Adam James
Patrick Hamilton
· 4 eps
0.3
#15,837 overall
10
Rishi Nair
Met Officer
· 1 eps
0.2
#17,449 overall
11
Danila Kozlovsky
Lord Anton Melnikov
· 3 eps
0.2
#17,880 overall
12
Evan Davis
Newsreader
· 1 eps
0.1
#27,041 overall
13
Joanna Horton
Rebecca Rossano
· 2 eps
0.1
#28,299 overall
14
Dinita Gohil
Zoe
· 1 eps
0.1
#29,739 overall
15
Nathalie Armin
Lydia Jenna
· 1 eps
0.0
#35,743 overall
16
Joseph Kloska
Thomas Keegan
· 1 eps
0.0
#48,551 overall
17
Samuel Leakey
Callum Lawrence
· 5 eps
—
18
Sargon Yelda
Malik Banajee
· 3 eps
—
19
Kevin Harvey
Olamide Bello
· 4 eps
—
20
John Lightbody
PPO Frank Scott
· 4 eps
—
21
Jonathan Nyati
PPO Bob Hayes
· 1 eps
—
22
Joe Macaulay
PPO Pete Barnes
· 4 eps
—
23
Richard Huw
Lord Lambert
· 1 eps
—
24
Dan Shaw
Ex-Serviceman
· 1 eps
—
25
Miztli Rose
Waitress
· 1 eps
—
26
Jayne Aguire
Political Aide
· 3 eps
—
27
Mark Ramsay
Doorman
· 1 eps
—
28
Alexandra Guelff
CIA Agent Gore
· 3 eps
—
29
Alex Magliaro
CIA Agent Harrington
· 2 eps
—
30
Brian Law
CIA Agent Tao
· 4 eps
—
31
Annabel Wood
Joanne Allinson
· 2 eps
—
32
Sofian Francis
Kyle Mills
· 2 eps
—
33
Will Deville
Injured Cyclist
· 1 eps
—
34
Syrus Lowe
Kit Harper
· 4 eps
—
35
Simon Lenagan
Robert Kirby
· 3 eps
—
36
Avital Lvova
Irina Belova
· 2 eps
—
37
Dinita Gohill
Zoe
· 3 eps
—
38
Jonathan Rhodes
Constituent
· 1 eps
—
39
Evan Davis
Newsreader
· 1 eps
—
40
Claire Lacey
Committee Chair
· 1 eps
—
Treason Stats
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