Alexander Litvinenko
David Tennant
Marina Litvinenko
Margarita Levieva
DS Clive Timmons
Mark Bonnar
Brent Hyatt
Neil Maskell
DS Jim Dawson
Barry Sloane
DAC Peter Clarke
Daniel Ryan
DCI Duncan Ball
Richard Pepper
Alexander Goldfarb
Mark Ivanir
Justine Adams
Sarah Naudi
Andrei Lugovoy
Radoslaw Kaim
Oscar Enrique
Greg Kolpakchi
Pat Troop
Maggie Evans
DC Oliver Gadney
Sam Marks