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Charles Thoroughgood
Played by Charlie Cox
Formerly a British army officer based in Northern Ireland and trained in bomb disposal, Charles is a trainee spy at MI6, Britain鈥檚 Secret Service. He has returned to a London blighted by power cuts, strikes and suspicion, and there he quickly finds himself plunged in at the deep end.
His bosses ask him to revive his former friendship with , a Russian Diplomat he knew at University, with a view to 鈥渢urning鈥 him. But Viktor has his own agenda and reveals a shocking truth about Charles鈥 own family that threatens to derail him, both personally and professionally.