Simon Pegg and Andrew Rothney in The Undeclared War (2022)

Alex Jennings, Adrian Lester, Simon Pegg, and Hannah Khalique-Brown in The Undeclared War (2022)

Hannah Khalique-Brown in The Undeclared War (2022)

Hannah Khalique-Brown and Joss Porter in The Undeclared War (2022)

Adrian Lester in The Undeclared War (2022)

Melanie Gutteridge, Alex Jennings, Simon Pegg, and Andrew Rothney in The Undeclared War (2022)

Adrian Lester and Simon Pegg in The Undeclared War (2022)

German Segal as Vadim in "The Undeclared War" episode 3

German Segal on the set of "The Undeclared War" (2022) with director Peter Kosminsky and Tinatin Dalakishvili

German Segal and Shane Senior in The Undeclared War (2022)

Adrian Lester, Simon Pegg, and Hannah Khalique-Brown in The Undeclared War (2022)

Adrian Lester, Simon Pegg, Mark Rylance, and Hannah Khalique-Brown in The Undeclared War (2022)

Simon Pegg, Mark Rylance, and Hannah Khalique-Brown in The Undeclared War (2022)