Season Regulars 12

1. 

   Asa Butterfield

   Otis Milburn

2. 

   Gillian Anderson

   Jean Milburn

3. 

   Ncuti Gatwa

   Eric Effiong

4. 

   Emma Mackey

   Maeve Wiley

5. 

   Kedar Williams-Stirling

   Jackson Marchetti

6. 

   Connor Swindells

   Adam Groff

7. 

   Tanya Reynolds

   Lily Iglehart

8. 

   Aimee Lou Wood

   Aimee Gibbs

9. 

   Patricia Allison

   Ola Nyman

10. 

    Mikael Persbrandt

    Jakob Nyman

11. 

    Alistair Petrie

    Michael Groff

12. 

    Anne-Marie Duff

    Erin Wiley

Guest Stars 16

1. 

   Chinenye Ezeudu

   Viv Odusanya

2. 

   George Robinson

   Isaac Goodwin

3. 

   Jim Howick

   Colin Hendricks

4. 

   Sami Outalbali

   Rahim

5. 

   George Georgiou

   Yousef

6. 

   Gbemisola Ikumelo

   Huma

7. 

   Neil Maskell

   Police Officer

8. 

   Susan Lynch

   Tara Gibbs

9. 

   Mirren Mack

   Florence

10. 

    Sindhu Vee

    Olivia's Mum

11. 

    Jack Helsby

    Man on Bus

12. 

    Lisa Palfrey

    Cynthia

13. 

    Joe Wilkinson

    Jeffrey

14. 

    Armin Karima

    Malek Amir

15. 

    Samantha Spiro

    Maureen Groff

16. 

    Simone Ashley

    Olivia Hanan

Crew 2