Vigil: Submarine drama explores ‘isolating and tense’ life and death at sea

The show has been made by World Productions, who were also behind Bodyguard and Line of Duty. “They were looking for stories which had real scale and said something about Britain today and its place in the world, and that would be exciting,” Edge explains. The team researched Vanguard-class submarines which, he says, “brought to life the pressures those crews are under”.