Brit Marling

as Liz Garvey

Bertie Carvel

as Communications Deputy Finn Kirkwood

Paterson Joseph

as Deputy Commissioner Charles Inglis

Nicola Walker

as Assistant Commissioner Sharon Franklin

Adam Deacon

as TSG Officer Robbie Vas

Jill Halfpenny

as TSG Officer Davina Bancroft

Cavan Clerkin

as PC Damien "Clarkey" Clarke

Stuart Martin

as PC Tony Forbes

Nick Blood

as PC Warwick Collister

Daniel Kaluuya

as Matt Coward