Series Cast 14

1. 

   David Schwimmer

   Jerry (12 Episodes)

2. 

   Nick Mohammed

   Joseph (12 Episodes)

3. 

   Colin Salmon

   Rupert Fleming (6 Episodes)

4. 

   Eliot Salt

   Evelyn (6 Episodes)

5. 

   Jane Stanness

   Mary Needham (6 Episodes)

6. 

   Gana Bayarsaikhan

   Tuva Olsen (6 Episodes)

7. 

   Sylvestra Le Touzel

   Christine Clark (6 Episodes)

8. 

   Lucy Ware

   Uma (2 Episodes)

9. Sam Shoubber

   GCHQ Employee (1 Episode)

10. 

    Mark Heap

    Barnaby Bailer (1 Episode)

11. Joshua Adam-Harris

    GCHQ Staff (1 Episode)

12. 

    Leo Suter

    Tom (1 Episode)

13. Lucy Lewendon

    GCHQ Employee (1 Episode)

14. 

    Vivian Oparah

    Honey (1 Episode)

Series Crew 5