Episode 4: Episode 4
Release Date
Jul 29, 2026
Genre
Crime, Drama, Mystery, Thriller
Rating
TV-MA
Network
Peacock
Language
British English
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Cast & Crew
The Undeclared War S2E4:
Simon Pegg
Actor
Sian Brooke
Actor
Alex Jennings
Actor
Danny Sapani
Actor
Tom McKay
Actor
Hannah Khalique-Brown
Actor
Chloe Pirrie
Actor
Andrew MacBean
Actor
Millicent Wong
Actor
German Segal
Actor
Gavin Spokes
Actor
Natali McCleary
Actor
Joss Porter
Actor
Joshua Sher
Actor
Leslie Ching
Actor
Ed Stoppard
Actor
Jason Tobin
Actor
Colin Teevan
Executive Producer
Emily Marcuson
Writer
Caroline Levy
Producer
Paul McGuigan
Executive Producer
Colin Callender
Executive Producer
Peter Kosminsky
Executive Producer
Daniel Gratton
Executive Producer
Noëlette Buckley
Executive Producer