The eight-parter from the BBC and MGM+ will also star Charlie Hunnam and Daniel Brühl.

Joe Alwyn and Hugh Laurie have joined the BBC and MGM+ thriller 'Legacy of Spies.'

The eight-parter from the BBC and MGM+ will also star Charlie Hunnam and Daniel Brühl.

"House" alum Hugh Laurie and "The Favourite" actor Joe Alwyn have joined the ensemble of the BBC's espionage thriller, "Legacy of Spies."