Traitors (Season 1)

Traitors (2019) is a British Cold War spy thriller you can watch online on iFILM, set in London in the immediate aftermath of the Second World War. Directed by Dervla Walsh, the six-episode Channel 4 series puts a young civil servant at the centre of a dangerous double game.

Feef, played by Emma Appleton, is recruited by a rogue American intelligence officer to uncover a Soviet mole buried somewhere inside Whitehall. The problem is she barely knows whose side anyone is on — including her own. Keeley Hawes, Michael Stuhlbarg and Luke Treadaway round out a cast that keeps the show grounded even as the paranoia escalates. For viewers who prefer moral ambiguity over action-hero spy fiction, Traitors lands in le Carré territory — the kind of thriller where loyalty itself becomes the suspect. Watch Traitors (2019) online on iFILM.