Imaginary Enemies

At the end of the second episode, members of the SAS are invited to ‘break bread’ with the Italian Mafia in a town square, only for the Luftwaffe to spring a surprise attack. ‘All the Luftwaffe fighters were added via visual effects,’ reveals Stephen. ‘The director had a big task to explain to the actors what was going on, because they’re just looking at an empty sky during filming. But we did put little explosive devices on the table, to blow up the china and glassware, so the cast could react ...