When a prominent French politician is found dead on the border between the UK and France, detectives Karl Roebuck (Stephen Dillane) and Elise Wassermann . When a prominent French politician is found dead on the border between the UK and France, detectives Karl Roebuck (Stephen Dillane) and Elise Wassermann . Watch the trailer for gripping thriller The Tunnel, from the makers of Broadchurch and the minds of The Bridge (Bron/Broen), starring Stephen Dillane and . When a prominent French politician is found dead on the border between the UK and France, detectives Karl Roebuck (Stephen Dillane) and Elise Wassermann .