Peter Firth

Harry Pearce

Nicola Walker

Ruth Evershed

Max Brown

Dimitri Levendis

Geoffrey Streatfeild

Calum Reed

Shazad Latif

Tariq Masood

Alice Krige

Elena Gavrik

Jonathan Hyde

Ilya Gavrik

Simon Russell Beale

Home Secretary William Towers

William Hope

Jim Coaver

Sam Reid

Young Harry

Ashton Callow

Young Sasha

Jenni Herzberg

Young Elena

Andrew Byron

Pavel Zykov

Josette Simon

Julia Dennison

Amy Hendrick

Rosie Watts

Joe Wredden

Anatoly

Magdalena Kurek

Veronica Duran

Ben Loyd-Holmes

Marcus Collison

Emma McMorrow

Female FSB Officer

Rachel Edwards

MI5 Woman

Lavinia Bertram

Erin's Mum