Peter Firth

Harry Pearce

Richard Armitage

Lucas North

Nicola Walker

Ruth Evershed

Shazad Latif

Tariq Masood

Sophia Myles

Beth Bailey

Max Brown

Dimitri Levendis

Simon Russell Beale

Home Secretary

Iain Glen

Vaughn Edwards

Laila Rouass

Maya Lahan

Donald Sumpter

Stephen Kirby

Amanda Hale

Meg Kirby

Nick Sidi

Russian Ambassador

Kirsty Wark

Newsreader

Keeley Hawes

Zoe Reynolds

Hugh Simon

Malcolm

Megan Dodds

Christine Dale

David Oyelowo

Danny Hunter

Matthew Macfadyen

Tom Quinn

Shauna Macdonald

Sam

David Wolstencroft

Creator