Litvinenko

Margarita Levieva

Marina Litvinenko

Mark Bonnar

DSU Clive Timmons

Neil Maskell

DI Brent Hyatt

Barry Sloane

DS Jim Dawson

Daniel Ryan

DAC Peter Clarke

Richard Pepper

DCI Duncan Ball

Kayla Meikle

DC Deborah Maxwell

Kirsten Foster

Jenny Hyatt

Temirlan Blaev

Young Anatoly Litvinenko

Mark Ivanir

Alexander Goldfarb

Marcus Onilude

Aidan

Sam Troughton

DI Brian Tarpey

Estella Daniels

Dr. Onome George

Dan Renton Skinner

James Cairns

Nikolai Tsankov

Boris Berezovsky

David Tennant

Alexander Litvinenko

Sarah Naudi

Dr. Justine Adams

Ian Conningham

Dr. Nick Gent

Maggie Evans

Professor Pat Troop

Edward Baker-Duly

Martin Svensson

Aleksandar Mikic

Dmitry Kovtun

Radosław Kaim

Andrey Lugovoy

Greg Kolpakchi

Oscar Enrique

Richie Lawrie

Awe (uncredited)

Kimberley Sterling

ICU Nurse (uncredited)

Simon Haines

Dr. Benjamin Swift

Simon Paisley Day

Sir John Scarlett

Sam Marks

DC Oliver Gadney

Robert Meadmore

Professor John Henry

Daniel Paton

Russian Driver

Selina Cadell

Louise Christiansen

Bea Svistunenko

Nina Tupper

Zoe Telford

Ingrid Campbell

Stephen Campbell Moore

Ben Emmerson QC

Joanna Kanska

Nika Privalova

Brian Protheroe

Sir Robert Owen

Kareem Alexander

Michael

Kevin Shen

Robin Tam QC

James Esler

Older Anatoly Litvinenko

Mitya Savelau

Hotel Concierge

Antonio Magro

Mario Scaramella

Chris Wilson

Cobra Police Commander (uncredited)

Ty Hurley

Russian Police Officer (uncredited)

Paul Riddell

Diplomat (uncredited)

Jerry Ronson

Barrister (uncredited)