Season Regulars 3

1. 

   Gary Oldman

   Jackson Lamb

2. 

   Jack Lowden

   River Cartwright

3. 

   Kristin Scott Thomas

   Diana Taverner

Guest Stars 26

1. 

   Saskia Reeves

   Catherine Standish

2. 

   Christopher Chung

   Roddy Ho

3. 

   Bally Gill

   Agent Singh

4. 

   Sophie Okonedo

   Ingrid Tearney

5. 

   Chris Reilly

   Nick Duffy

6. 

   Rosalind Eleazar

   Louisa Guy

7. 

   Aimee-Ffion Edwards

   Shirley Dander

8. 

   Kadiff Kirwan

   Marcus Longridge

9. 

   Katherine Waterston

   Alison Dunn

10. 

    Sope Dirisu

    Sean Donovan

11. 

    Charlie Rowe

    Ben Dunn

12. 

    Eliot Salt

    Sarah Dunn

13. 

    Sion Daniel Young

    Douglas

14. Selahattin Çakir

    Water Taxi Driver 1

15. Ömer Faruk Ertuğrul

    Water Taxi Driver 2

16. 

    Fırat Doğruloğlu

    Alison's Contact

17. 

    George Turvey

    Husband

18. 

    Caroline Harker

    Doctor's Receptionist

19. 

    Simon Chandler

    Doctor

20. Roli Okorodudu

    Chairperson AA

21. 

    Azaan Symes

    Kebab Shop Man

22. Connor Porter

    Lad in Kebab Shop

23. 

    Bradley Connor

    Lad in Kebab Shop

24. 

    Will Bowden

    Taverner's Driver

25. Henry Davis

    Louisa's Pickup

26. Esme Allen

    Barista Gaz

Crew 4