Tom Quinn

Matthew Macfadyen

Harry Pearce

Peter Firth

Zoe Reynolds

Keeley Hawes

Malcolm Wynn-Jones

Hugh Simon

Danny Hunter

David Oyelowo

Ruth Evershed

Nicola Walker

Adam Carter

Rupert Penry-Jones

Jo Portman

Miranda Raison

Tessa Phillips

Jenny Agutter

Sam Buxton

Shauna Macdonald

Colin Wells

Rory MacGregor

Ros Myers

Hermione Norris

Christine Dale

Megan Dodds

Guest Star

Reece Dinsdale

Dr. Vicki Westbrook

Natasha Little

Guest Star

Philippe De Grossouvre

Guest Star

Sophie Lombard

Guest Star

Samantha Coughlan

Guest Star

Roger Brierley

Lucas North / Armed Police Officer

Richard Armitage

Guest Star

Daniel Cerqueira

Guest Star

Heshima Thompson

Guest Star

Bruce Payne

Guest Star

Ruth Gemmell

Guest Star

Annabelle Apsion

Guest Star

Philippe Smolikowski

Zafar Younis

Raza Jaffrey

Guest Star

Jo Joyner

Tariq Masood

Shazad Latif

Connie James

Gemma Jones

Home Secretary / Nicholas Blake

Robert Glenister

Dimitri Levendis

Max Brown

Juliet Shaw

Anna Chancellor

Ben Kaplan

Alex Lanipekun

Wesley Carter

James Dicker

Home Secretary / William Towers

Simon Russell Beale

Fiona Carter

Olga Sosnovska

Bob Hogan

Matthew Marsh

Jenny

Gugu Mbatha-Raw

Beth Bailey

Sophia Myles

Dariush Bakhshi

Simon Abkarian

Maisie Simm

Heather Cave

Ellie Simm

Esther Hall

Ana Bakhshi

Agni Scott

Sarah Caulfield

Genevieve O'Reilly

Vaughan Edwards

Iain Glen

Maya Lahan

Laila Rouass

Erin Watts

Lara Pulver

Jim Coaver

William Hope

Annette

Naoko Mori

Calum Reed

Geoffrey Streatfeild

Jed Kelley

Graeme Mearns

Will North

Richard Harrington

Sasha Gavrik

Tom Weston-Jones

Elena Gavrik

Alice Krige

Ilya Gavrik

Jonathan Hyde

Oliver Mace

Tim McInnerny

Sholto / Lord Young

James Laurenson